https://cantonlock.com/ Door hardware specification guides and factory news from Canton Hyland, Guangdong. en https://cantonlock.com/guides/custom-door-hardware-tooling-2026/ https://cantonlock.com/guides/custom-door-hardware-tooling-2026/ Fri, 25 Sep 2026 00:00:00 GMT What can change on a door hardware part, what needs a new mould, how long our 311 took to tool, minimum orders, samples and who owns the dimensions. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/copper-or-brass-hinges-2026/ https://cantonlock.com/guides/copper-or-brass-hinges-2026/ Thu, 24 Sep 2026 00:00:00 GMT A copper door hinge usually means brass: copper alloyed with zinc. Antique copper is a finish. Which of our hinges are brass and how to order them. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/brazil-nbr-11742-nbr-11785-fire-door-hardware/ https://cantonlock.com/news/brazil-nbr-11742-nbr-11785-fire-door-hardware/ Thu, 24 Sep 2026 00:00:00 GMT What Brazil's fire door and push bar standards ask of the hardware, class F bars, 50% bar width, selectors on pairs, and what AVCB inspectors fail. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/double-fire-exit-door-hardware-set/ https://cantonlock.com/news/double-fire-exit-door-hardware-set/ Thu, 24 Sep 2026 00:00:00 GMT The six hardware lines on a double fire exit door, from panic bars and outside trim to closers and the coordinator, sized from the same leaf data. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/cylindrical-and-tubular-lock-comparison-2026/ https://cantonlock.com/guides/cylindrical-and-tubular-lock-comparison-2026/ Wed, 23 Sep 2026 00:00:00 GMT Tubular, light- and heavy-duty cylindrical and commercial bored locks side by side: backset 60 to 90mm, doors 35 to 50mm, and every function. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/exit-device-comparison-2026/ https://cantonlock.com/guides/exit-device-comparison-2026/ Wed, 23 Sep 2026 00:00:00 GMT Every panic exit device side by side: bar lengths from 650 to 1110mm, single doors, pairs with top and bottom latching, alarm and cold room. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/mortise-lock-case-comparison-2026/ https://cantonlock.com/guides/mortise-lock-case-comparison-2026/ Tue, 22 Sep 2026 00:00:00 GMT Every mortise lock case we publish with backset and center distance, in two tables: narrow-stile 20–35mm and standard 40–90mm backsets. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/backset-door-thickness-chart-2026/ https://cantonlock.com/guides/backset-door-thickness-chart-2026/ Mon, 21 Sep 2026 00:00:00 GMT Backset and door thickness chart, 589 published models: 100 adjustable 60/70mm (2-3/8"/2-3/4"), fixed 30, 45, 50, 60, 70mm; 106 take 35 to 45mm doors. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/brass-alloys-and-dezincification-2026/ https://cantonlock.com/guides/brass-alloys-and-dezincification-2026/ Mon, 21 Sep 2026 00:00:00 GMT Which brass alloys door hardware uses, why lead is added, what dezincification is and when DZR brass is required, brass versus bronze, and what to specify. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/certification-and-test-validation-2026/ https://cantonlock.com/guides/certification-and-test-validation-2026/ Mon, 21 Sep 2026 00:00:00 GMT Validate a door hardware certificate: the seven parts it must carry, DoP and CE marking, six red flags, and a five-minute check on the issuer's register. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/chrome-finish-differences-2026/ https://cantonlock.com/guides/chrome-finish-differences-2026/ Mon, 21 Sep 2026 00:00:00 GMT Polished chrome is US26 (BHMA 625), satin chrome US26D (626), satin nickel US15 (619). Chrome reads cool, nickel warm. Why two suppliers' chrome differs. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/commercial-lock-function-decision-2026/ https://cantonlock.com/guides/commercial-lock-function-decision-2026/ Mon, 21 Sep 2026 00:00:00 GMT Lock function decision table by room type: passage, privacy, entrance, storeroom, classroom. Two questions: who gets in, and how anyone inside gets out. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/container-loading-door-hardware-2026/ https://cantonlock.com/guides/container-loading-door-hardware-2026/ Mon, 21 Sep 2026 00:00:00 GMT Container loading for door hardware: at a median 614 kg/m³ a 40GP weighs out first. In a worked example a 40HQ held 44,160 pieces, the 40GP 44,310. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/corrosion-resistance-en-1670-2026/ https://cantonlock.com/guides/corrosion-resistance-en-1670-2026/ Mon, 21 Sep 2026 00:00:00 GMT EN 1670 corrosion grades 1 to 5 mean 24, 48, 96, 240 and 480 hours of neutral salt spray. How ASTM B117 and A156.18 compare, and why hours are not years. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/cycle-testing-durability-grades-2026/ https://cantonlock.com/guides/cycle-testing-durability-grades-2026/ Mon, 21 Sep 2026 00:00:00 GMT 200,000 cycles is EN 1906 category 7, the top durability class, but only Grade 3 under ANSI/BHMA A156.2, where Grade 1 needs 1,000,000 cycles. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/dimensional-interchangeability-2026/ https://cantonlock.com/guides/dimensional-interchangeability-2026/ Mon, 21 Sep 2026 00:00:00 GMT Lock interchangeability rests on seven dimensions, not just backset: center distance, case size, forend, spindle, fixing centers and door thickness. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/door-closer-mounting-positions-2026/ https://cantonlock.com/guides/door-closer-mounting-positions-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door closer mounting compared: regular arm, top jamb, parallel arm and slide track. Parallel arm resists damage but can cost you a power size. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/door-closer-power-size-2026/ https://cantonlock.com/guides/door-closer-power-size-2026/ Mon, 21 Sep 2026 00:00:00 GMT EN 1154 door closer power sizes 1 to 7: size 1 up to 750mm and 20 kg, size 7 up to 1600mm and 160 kg. Pick by leaf width and mass, whichever is higher. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/door-hardware-hs-codes-2026/ https://cantonlock.com/guides/door-hardware-hs-codes-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door locks 8301.40, keys 8301.70, hinges 8302.10, handles 8302.41, closers 8302.60: the HS code for each door hardware item, and where national digits begin. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/door-preparation-161-and-86-2026/ https://cantonlock.com/guides/door-preparation-161-and-86-2026/ Mon, 21 Sep 2026 00:00:00 GMT 161 prep: the 2-1/8 inch (54mm) cross bore, 1 inch edge bore and 2-3/8 or 2-3/4 inch backset. 86 prep: the 1-1/8 by 8 inch mortise pocket, and what a purchase order must state. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/door-thickness-to-cylinder-length-2026/ https://cantonlock.com/guides/door-thickness-to-cylinder-length-2026/ Mon, 21 Sep 2026 00:00:00 GMT Euro cylinder length from door thickness: each half is thickness ÷ 2 plus escutcheon, rounded up from 27.5mm. A 40mm door with 4mm escutcheons takes 56mm. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/en-1125-vs-en-179-2026/ https://cantonlock.com/guides/en-1125-vs-en-179-2026/ Mon, 21 Sep 2026 00:00:00 GMT EN 1125 panic bar or EN 179 emergency lever: the bar serves people who may not know the building, the lever those who do. When borderline, take the bar. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/en-ansi-bhma-cross-reference-2026/ https://cantonlock.com/guides/en-ansi-bhma-cross-reference-2026/ Mon, 21 Sep 2026 00:00:00 GMT EN to ANSI/BHMA cross-reference: no conversion table exists, only a scope map. EN 1125/179 to A156.3, EN 12209 to A156.13/A156.2, EN 1154 to A156.4. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/euro-cylinder-size-chart-2026/ https://cantonlock.com/guides/euro-cylinder-size-chart-2026/ Mon, 21 Sep 2026 00:00:00 GMT Euro cylinder size chart: nine lengths from 45 to 90mm across 45 models, the splits that sum to each, why 30/40 is not 40/30, and how to measure yours. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/exit-device-outside-trim-functions-2026/ https://cantonlock.com/guides/exit-device-outside-trim-functions-2026/ Mon, 21 Sep 2026 00:00:00 GMT Exit device outside trim functions compared: exit only, night latch, entrance, storeroom and electrified, plus dogging and the fire door rule. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/finish-code-reference-2026/ https://cantonlock.com/guides/finish-code-reference-2026/ Mon, 21 Sep 2026 00:00:00 GMT Finish code reference: all 23 codes in our catalog, BHMA 600 and US26x equivalents (626 is US26D), and the pairs that reverse: NB/BN, PB/BP, CB/BC. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/fire-door-hardware-what-must-be-rated-2026/ https://cantonlock.com/guides/fire-door-hardware-what-must-be-rated-2026/ Mon, 21 Sep 2026 00:00:00 GMT Fire door hardware that must be rated: hinges, lock, closer, seals, exit devices and fixings, all in the tested assembly. EN 1634-1 vs UL 10C, EI vs E. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/glass-door-thickness-and-cutouts-2026/ https://cantonlock.com/guides/glass-door-thickness-and-cutouts-2026/ Mon, 21 Sep 2026 00:00:00 GMT Glass door hardware thickness ranges from 8mm to 14mm, the glass gap dimension, cut-out corner radius, and why every hole must be cut before the glass is toughened. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/hardware-refurbishment-survey-2026/ https://cantonlock.com/guides/hardware-refurbishment-survey-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door hardware refurbishment survey: 14 fields per leaf, the 3 that need the lock out, sampling by door type, not floor, and turning it into an order. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/hardware-warranty-what-it-covers-2026/ https://cantonlock.com/guides/hardware-warranty-what-it-covers-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door hardware warranty: the five exclusions behind most rejected claims, why a 5-year warranty you understand beats a 10-year one, and what a claim needs. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/hinge-grades-and-count-2026/ https://cantonlock.com/guides/hinge-grades-and-count-2026/ Mon, 21 Sep 2026 00:00:00 GMT Hinge count by leaf height: 2 up to 1524mm, 3 up to 2286mm, 4 up to 3048mm. EN 1935 grades 1 to 14, A156.1, and why an extra hinge is not a higher grade. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/key-blanks-and-restricted-profiles-2026/ https://cantonlock.com/guides/key-blanks-and-restricted-profiles-2026/ Mon, 21 Sep 2026 00:00:00 GMT Key blanks and keyway profiles: open, restricted and patented keyways compared, what key control does not stop, and what happens when the patent expires. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/lever-return-and-en-1906-2026/ https://cantonlock.com/guides/lever-return-and-en-1906-2026/ Mon, 21 Sep 2026 00:00:00 GMT Lever return: why a lever must curve back toward the door, often to within about 13mm (1/2"), why knobs fail accessibility, and the 8 fields of EN 1906. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/master-key-hierarchy-planning-2026/ https://cantonlock.com/guides/master-key-hierarchy-planning-2026/ Mon, 21 Sep 2026 00:00:00 GMT Master key hierarchy planning: up to five levels from GGMK to change key, why most buildings need three at most, and why cross-keying consumes capacity. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/material-traceability-mill-certs-2026/ https://cantonlock.com/guides/material-traceability-mill-certs-2026/ Mon, 21 Sep 2026 00:00:00 GMT Material traceability: EN 10204 types 2.1, 2.2, 3.1 and 3.2, who signs, whether your batch was tested, what a heat number traces, and why RoHS is separate. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/moq-tooling-and-lead-time-2026/ https://cantonlock.com/guides/moq-tooling-and-lead-time-2026/ Mon, 21 Sep 2026 00:00:00 GMT MOQ for most models: 300 to 5,000 pieces. What sets it, why splitting finishes raises it, how tooling is quoted, and what the 30-day lead time counts. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/powder-coating-and-ral-2026/ https://cantonlock.com/guides/powder-coating-and-ral-2026/ Mon, 21 Sep 2026 00:00:00 GMT RAL sets hue only. Powder coating also needs gloss to ISO 2813, a film of typically 60–80 µm and masked threads: a coated M5 may not take an M5 screw. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/qualifying-a-hardware-supplier-2026/ https://cantonlock.com/guides/qualifying-a-hardware-supplier-2026/ Mon, 21 Sep 2026 00:00:00 GMT Qualifying a hardware supplier: five questions separating a factory from a trader or broker, what to verify yourself, and why a small order beats a sample. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/samples-and-incoming-inspection-2026/ https://cantonlock.com/guides/samples-and-incoming-inspection-2026/ Mon, 21 Sep 2026 00:00:00 GMT Golden sample: two identical samples signed by both parties, one sealed per side. What to measure at incoming inspection, and three things no sample shows. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/specification-section-08-71-00-2026/ https://cantonlock.com/guides/specification-section-08-71-00-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door hardware specification 08 71 00: Part 1 obligations, 2 products, 3 execution. Price turns on substitution, keying, test evidence and warranty. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/spindle-sizes-and-length-2026/ https://cantonlock.com/guides/spindle-sizes-and-length-2026/ Mon, 21 Sep 2026 00:00:00 GMT Spindle sizes: 8mm or 9mm square, not interchangeable; solid or split. Length is door thickness + roses + hub engagement, about 60mm on a 40mm door. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/stainless-grade-selection-201-304-316-2026/ https://cantonlock.com/guides/stainless-grade-selection-201-304-316-2026/ Mon, 21 Sep 2026 00:00:00 GMT Stainless 201 vs 304 vs 316: 304 is ~18% chromium, ~8% nickel; 316 adds ~2% molybdenum against chloride; 201 has less nickel. Cost, and what 304/201 hides. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/strike-plates-and-keeps-2026/ https://cantonlock.com/guides/strike-plates-and-keeps-2026/ Mon, 21 Sep 2026 00:00:00 GMT Strike plates: ANSI strike 4-7/8" × 1-1/4" (124 × 32mm), T-strike 2-3/4" × 1-1/8" (70 × 29mm). How to work out lip length, corner type and box strikes. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/submittal-package-contents-2026/ https://cantonlock.com/guides/submittal-package-contents-2026/ Mon, 21 Sep 2026 00:00:00 GMT Door hardware submittal package: schedule, datasheets, shop drawings, test evidence and keying schedule, plus the four omissions that get it rejected. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/technical-drawings-what-to-expect-2026/ https://cantonlock.com/guides/technical-drawings-what-to-expect-2026/ Mon, 21 Sep 2026 00:00:00 GMT PDF, DWG, STEP or BIM: which hardware drawing answers which question, why a 3D solid often does not exist, and our real count: 72 drawings on 549 listings. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/universal-vs-handed-hardware-2026/ https://cantonlock.com/guides/universal-vs-handed-hardware-2026/ Mon, 21 Sep 2026 00:00:00 GMT Universal hardware: non-handed, field-reversible or factory-handed, and only the first is truly universal. Four handed products that catch projects out. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/guides/zinc-alloy-die-cast-hardware-2026/ https://cantonlock.com/guides/zinc-alloy-die-cast-hardware-2026/ Mon, 21 Sep 2026 00:00:00 GMT Zinc alloy (zamak) is 28% of our catalog's material rows. What die casting does well, the four ways a bad casting fails, and where zinc never belongs. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/brass-piano-hinge-is-a-finish-not-a-metal/ https://cantonlock.com/news/brass-piano-hinge-is-a-finish-not-a-metal/ Wed, 16 Sep 2026 00:00:00 GMT A brass piano hinge is usually iron with a brass finish. Ours is iron, in four widths from 1" to 3". How a magnet tells plated iron from solid brass. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/choosing-a-cylindrical-lock-entrance-privacy-passage/ https://cantonlock.com/news/choosing-a-cylindrical-lock-entrance-privacy-passage/ Wed, 16 Sep 2026 00:00:00 GMT Function first: entrance, privacy or passage. Twelve cylindrical locks, the common 60/70mm backset and 35–45mm door, and the 5831 for a 90mm backset. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/deadbolt-d101-d102-and-the-rim-alternative/ https://cantonlock.com/news/deadbolt-d101-d102-and-the-rim-alternative/ Wed, 16 Sep 2026 00:00:00 GMT D101 and D102 deadbolts: 25mm (1") throw, hardened steel anti-saw roller pin, free-turning collar, 60/70mm backset, and keying to match the entrance lock. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/euro-cylinder-range-45-to-90/ https://cantonlock.com/news/euro-cylinder-range-45-to-90/ Wed, 16 Sep 2026 00:00:00 GMT Euro cylinder range 45–90mm: the model number is the overall length, not the split. 19 variants at 70mm, solid brass where published, DK/KT/IK unconfirmed. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/exit-device-push-bar-length/ https://cantonlock.com/news/exit-device-push-bar-length/ Wed, 16 Sep 2026 00:00:00 GMT Why a push bar is specified by door leaf width, which of our lengths are adjustable, and the three measurements to send with an exit-device inquiry. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/finish-codes-us26d-626-630/ https://cantonlock.com/news/finish-codes-us26d-626-630/ Wed, 16 Sep 2026 00:00:00 GMT US26D is 626, satin chrome on brass or bronze. 652 is the same look on steel; 630 is solid satin stainless. Why BHMA finish codes name the base metal. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/lever-handle-range-lh852-lh853-lh855/ https://cantonlock.com/news/lever-handle-range-lh852-lh853-lh855/ Wed, 16 Sep 2026 00:00:00 GMT The LH852, LH853, LH855, 808 and 6491 lever sets compared: cycle life, backset, door thickness, chassis material and which functions each carries. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/occupied-vacant-washroom-indicator-bolt/ https://cantonlock.com/news/occupied-vacant-washroom-indicator-bolt/ Wed, 16 Sep 2026 00:00:00 GMT What an occupied-vacant indicator bolt has to do, why the emergency release matters more than the window, and how the 200, 400 and 500 differ. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/rim-night-latch-564-and-1073/ https://cantonlock.com/news/rim-night-latch-564-and-1073/ Wed, 16 Sep 2026 00:00:00 GMT Rim night latch 564 and 1073: 60mm backset, 35–55mm doors (30–60mm on request), 13mm latch, 25mm deadbolt throw. Zinc or iron case, single or double side. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/stainless-lever-range-9007-9008-9014/ https://cantonlock.com/news/stainless-lever-range-9007-9008-9014/ Wed, 16 Sep 2026 00:00:00 GMT Lever length, rose diameter and thickness, projection and spindle size for the stainless 9000 lever range, with the door thickness each one takes. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/ul-305-is-a-listing-not-a-grade/ https://cantonlock.com/news/ul-305-is-a-listing-not-a-grade/ Wed, 16 Sep 2026 00:00:00 GMT A UL listing is not a test report and not a grade. What each of the three panic-hardware standards actually certifies, and what Canton Hyland holds. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-an-old-padlock-tells-a-lock-factory/ https://cantonlock.com/news/what-an-old-padlock-tells-a-lock-factory/ Tue, 15 Sep 2026 00:00:00 GMT An old padlock chained to a knight in Germany: riveted plates, a pin in the keyhole for a hollow key, a warded lock. What a lock factory reads in it. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/fitting-a-euro-cylinder/ https://cantonlock.com/news/fitting-a-euro-cylinder/ Mon, 14 Sep 2026 00:00:00 GMT Fit a euro cylinder in five steps: turn the key 15–20° to clear the cam, remove the fixing screw, set projection flush to 3mm, test with the door closed. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/why-the-catalogue-is-this-wide/ https://cantonlock.com/news/why-the-catalogue-is-this-wide/ Sat, 12 Sep 2026 00:00:00 GMT A 616-entry door hardware range in 17 families, most made because a buyer brought a sample. Custom mold making since 1998: three to five months per mold. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/door-coordinator-double-fire-door/ https://cantonlock.com/news/door-coordinator-double-fire-door/ Fri, 11 Sep 2026 00:00:00 GMT If the active leaf of a double fire door closes first, it does not latch. Sizing a door coordinator: the DC02 for 55–100kg leaves, closers up to 85kg. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-it-takes-to-tool-a-new-exit-device/ https://cantonlock.com/news/what-it-takes-to-tool-a-new-exit-device/ Fri, 11 Sep 2026 00:00:00 GMT Tooling the 311 exit device: three molds (ABS, steel, zinc alloy), three months to cut, five months of trial and correction. Why tooled lead times differ. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/en-1125-or-ansi-which-standard-your-project-needs/ https://cantonlock.com/news/en-1125-or-ansi-which-standard-your-project-needs/ Wed, 09 Sep 2026 00:00:00 GMT EN 1125 and ANSI/BHMA A156.3 are separate systems, not grades of one scale. The standard is set by where the door is and what the local authority enforces. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/master-key-systems-how-many-levels-you-need/ https://cantonlock.com/news/master-key-systems-how-many-levels-you-need/ Wed, 09 Sep 2026 00:00:00 GMT The master key system chart from GGMK down to change keys, a worked building example, and why every extra level leaves fewer change keys to issue. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/cross-referencing-a-lock-you-already-buy/ https://cantonlock.com/news/cross-referencing-a-lock-you-already-buy/ Tue, 08 Sep 2026 00:00:00 GMT Cross-reference a door lock by six dimensions, not the model number. Mortise lock: backset, center distance, faceplate, case, spindle, door thickness. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/door-stop-holder-or-flush-bolt/ https://cantonlock.com/news/door-stop-holder-or-flush-bolt/ Tue, 08 Sep 2026 00:00:00 GMT DS013 is a door stop; DS011 is a flush bolt. How to tell stops, holders and flush bolts apart, and why a stop is chosen by handle projection. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-documents-you-can-actually-get/ https://cantonlock.com/news/what-documents-you-can-actually-get/ Tue, 08 Sep 2026 00:00:00 GMT HYDE has 84 dimensioned SVG assets, 72 on visible listings, and one searchable catalog PDF. No BIM library or door-preparation SVGs. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/euro-cylinder-length-and-split/ https://cantonlock.com/news/euro-cylinder-length-and-split/ Mon, 07 Sep 2026 00:00:00 GMT A 70mm euro cylinder can be split 35/35, 30/40 or 40/30. Measure from the cam to each face, round up to the next 5mm, keep outer projection to 3mm or less. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-a-test-report-actually-covers/ https://cantonlock.com/news/what-a-test-report-actually-covers/ Mon, 07 Sep 2026 00:00:00 GMT Our EN 1125 report covers one exit device, KD070/30-290; our durability report, one lock, 607 SS ET. How to read the scope of a door hardware test report. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-oem-actually-changes/ https://cantonlock.com/news/what-oem-actually-changes/ Mon, 07 Sep 2026 00:00:00 GMT OEM and private label door hardware: packaging and finish run from 30 days, a logo on the part modifies a die, a new mold takes three to five months. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/handing-left-right-and-universal/ https://cantonlock.com/news/handing-left-right-and-universal/ Sun, 06 Sep 2026 00:00:00 GMT Left, right, reverse or universal: DIN and ANSI/BHMA A156.115 name the same door differently. How to write door handing on an order so it is not misread. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/six-values-an-order-needs/ https://cantonlock.com/news/six-values-an-order-needs/ Sun, 06 Sep 2026 00:00:00 GMT Model, finish, backset, center distance, handing, door thickness: six values a door hardware order needs. An inquiry with all six can be quoted same day. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/trim-handle-or-panic-bar/ https://cantonlock.com/news/trim-handle-or-panic-bar/ Sun, 06 Sep 2026 00:00:00 GMT A panic bar opens a fire exit door from inside only. The outside trim handle is a separate order line: passage, keyed or anti-pick, for doors up to 90mm. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/ansi-grade-1-vs-en-1125-exit-devices/ https://cantonlock.com/news/ansi-grade-1-vs-en-1125-exit-devices/ Tue, 01 Sep 2026 00:00:00 GMT ANSI/BHMA A156.3 grades exit devices 1 to 3 by durability; EN 1125 codes cycles, door mass and fire-door use digit by digit. How to read each rating. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/narrow-stile-aluminium-door-lock-sag/ https://cantonlock.com/news/narrow-stile-aluminium-door-lock-sag/ Tue, 01 Sep 2026 00:00:00 GMT Why narrow-stile aluminum doors drop and stop latching, how backset and case depth interact with a 30mm stile, and which parts actually carry the load. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/push-bar-or-touch-bar-panic-exit-devices/ https://cantonlock.com/news/push-bar-or-touch-bar-panic-exit-devices/ Mon, 31 Aug 2026 00:00:00 GMT Push bar or touch bar panic exit device: a push bar pivots on two arms and survives trolley impacts; a touch bar sinks flush and suits public corridors. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/stainless-steel-grades-304-201-316/ https://cantonlock.com/news/stainless-steel-grades-304-201-316/ Mon, 31 Aug 2026 00:00:00 GMT What separates 201, 304 and 316 stainless in door hardware, why 201 rusts near the coast, how to test a sample with a magnet, and what to ask a supplier. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/what-a-frameless-glass-door-needs/ https://cantonlock.com/news/what-a-frameless-glass-door-needs/ Mon, 31 Aug 2026 00:00:00 GMT Every part a frameless glass door needs: top and bottom patch fittings, over-panel patch, floor spring, lock, strike and pull handle, plus glass thickness. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/door-hardware-schedule-guide/ https://cantonlock.com/news/door-hardware-schedule-guide/ Thu, 27 Aug 2026 00:00:00 GMT What a door hardware schedule is, how hardware sets expand into line items, and the three questions to ask before quoting against one. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/mortise-lock-backset-and-centre-distance-guide/ https://cantonlock.com/news/mortise-lock-backset-and-centre-distance-guide/ Thu, 27 Aug 2026 00:00:00 GMT How to read backset and center distance from a mortise lock case model number, why 85mm and 72mm both exist, and which backset fits which door. tec@cantonlock.com (Johnson Liu) https://cantonlock.com/news/reading-door-hardware-model-numbers/ https://cantonlock.com/news/reading-door-hardware-model-numbers/ Thu, 27 Aug 2026 00:00:00 GMT PB, AB, AC, SN, SC, BN, SSS and PSS decoded, plus the ET, PS and BK function suffixes, how to read a Chinese hardware price list and quote from it. tec@cantonlock.com (Johnson Liu)