Gold Member Since 2016
Audited Supplier
Zhongshan Yuefong (Mai's) Manufacture Co., Ltd.

Laminated Lock, Laminated Padlock, Lock manufacturer / supplier in China, offering Nickel Plating Laminated Steel Padlock (740N), 4 Digits Combination Key Box, Portable Digits Combination Key Box and so on.

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Supplier Homepage Product Laminated padlock Nickel Plating Laminated Steel Padlock (740N)

Nickel Plating Laminated Steel Padlock (740N)

FOB Price: US $0.85-1 / Piece
Min. Order: 1,000 Pieces
Min. Order FOB Price
1,000 Pieces US $0.85-1/ Piece
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Port: Zhongshan, China
Production Capacity: 100000/Month
Payment Terms: T/T, Paypal, CC

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Basic Info
  • Model NO.: 740N
  • Trademark: With your own mark
  • Specification: ASTM883
  • HS Code: 83011000
  • Size: 40mm
  • Transport Package: Blister
  • Origin: China
Product Description
40mm Wide Nickel/ Zinc Plating Laminated Steel Padlock

*Commercial grade padlock features superior protection from drilling/pulling/prying/cutting/picking. 
*Laminated steel body for superior strength
*Hardened shackle for superior cut resistance
*Single locking lever
*4-pin cylinder helps prevent picking
*This lock can be Keyed Alike - order multiple locks to open with the same key or order to match other locks

Product Detail: 
740N Laminated Steel padlock features: 40mm wide laminated steel body for superior strength, 6.2mm diameter steel shackle to provide strong cut resistance. 

Product Specification:  
 DimensionBodyShackleLocking Mechanism
ItemSurface TreatmentShackle Diameter (Dimension A)Vert. Shackle Clearance
(Dimension B)
Horiz. Shackle Clearance
(Dimension C)
Body Width
(Dimension D)
Body Thickness
(Dimension E)
Total Body Height
(Dimension F)
Laminated SteelHardened SteelDual LockingSingle Locking4-Pin Cylinder
740NNickle Plating6.2mm22mm19.5mm40mm22mm60.8mmX


Best Used For: Cabinets/Fire Equipment Housing & Cabinets/Manufacturing Enviroments/Shut Off Valves/Tool Cribs/Vending Machines/Construction Sites & Equipment

Product Series:  
 Dimension  BodyShackleLocking Mechanism
ItemSurface TreatmentBody WidthBody ThicknessShackle DiameterHoriz. Shackle ClearanceVert. Shackle ClearanceTotal Body HeightLaminated SteelHardened SteelDual LockingSingle Locking4-Pin Cylinder
730NNickle Plating30mm17.5mm5mm14.5mm16.5mm47mmX
740NNickle Plating40mm22mm6.2mm19.5mm22mm60.8mmX
745NNickle Plating45mm23.5mm7.1mm21.5mm24.5mm62.6mmX
750NNickle Plating50mm26mm8.2mm24.5mm31mm76.7mmX
730ZZinc Plating30mm17.5mm5mm14.5mm16.5mm47mmX
740ZZinc Plating40mm22mm6.2mm19.5mm22mm60.8mmX
745ZZinc Plating45mm23.5mm7.1mm21.5mm24.5mm62.6mmX
750ZZinc Plating50mm26mm8.2mm24.5mm31mm76.7mmX
740LSNNickle Plating40mm22mm6.2mm19.5mm56.5mm88.55mmX
745LSNNickle Plating45mm23.5mm7.1mm21.5mm56mm93.6mmX
750LSNNickle Plating50mm26mm8.2mm24.5mm54.5mm96.5mmX
740LSZZinc Plating40mm22mm6.2mm19.5mm56.5mm88.55mmX
745LSZZinc Plating45mm23.5mm7.1mm21.5mm56mm93.6mmX
750LSZZinc Plating50mm26mm8.2mm24.5mm54.5mm96.5mmX
730WPZinc Plating30mm17.5mm5mm14.5mm16.5mm47mmX
740WPZinc Plating40mm22mm6.2mm19.5mm22mm60.8mmX
750WPZinc Plating50mm26mm8.2mm24.5mm31mm76.7mmX
740WPCZinc Plating40mm22mm6.2mm19.5mm22mm60.8mmX
720CTNickle Plating+Painting20.6mm11.5mm3mm10.5mm12mm28.2mmXXX
740CTNickle Plating+Painting39mm19mm5.5mm19.7mm21.3mm50.8mmXXX

Performance Standards: 
Standard Performance Specification For Padlocks
Test CategoryTestTest StandardsSpec. (MIN. )
Force TestShock TestASTM F883 8.21
CycleCycle TestASTM F883 10.12
Corrosion&EnvironmentSalt SprayASTM F883 11.11

Capacity: 100000PCS/Month

Production Leadtime: 30 Days

Company Profile: 
Company area: More than 76000 square meters. 
Employees: 500 around, including 100 managers & technicians. 
Manufacturing equipment: More than 400. 
Main market: North America, Europe, Canada and so on. 
Certification: ISO9000: 2008
Cooperative partner: Master Lock company ( More than 20 years ). 
Sale volume: About 10 Million
Main product: Laminated lock, Combination lock, python lock, safety products and so on
Main Process; Stamping/Die-casting/Painting/Powder Coating (We also do OEM and ODM)

Laboratory Center: 
About 30 persons and 16 kinds of test equipment. 
Can perform test such as below: 
Tensile machine for shackle cutting test
*Projector for dimension check
*Rockwell hardness tester for hardness test
*Salt spray test chamber for salt spray test
*Drying box for drying test
*Color checked cabinet for color contrast
*Stickiness test machine for stickiness test
*Shock test machine for nylon buckles shock resistance test

Design and Development Team

R&D Ability: 
Appearance design
Sturcture design
Maintain and improve ability
Quality assurance

Continue Improvement Ability: 
Cost down ability: 
Calculate and evaluate the product cost
Efficiency improve ability: 
Equipment improvement/Automation improvement/
Process improvement to reduce the labor intensity

Aduit History: 
YearAudit OrganizationAudit Item
2011Bureau Veritas (Authorized byThe Home Depot)SER/QSA/Security
2012~2013Verité (Authorized by Master Lock)EHS/SER/CSR
2014Intertek (Authorized by CVS Caremark)WCA/SQP
2015UL(Authorized by CVS Caremark)RSWA

We also do internal audit every year. 
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