What is the maximum door thickness this lock fits?

It fits door thicknesses ranging from 35mm to 50mm.

What are the available finish options?

Finishes include Black+PC, Black+PVD, Grey+PC, and electric-plating finishes.

High Quality New Design Zinc Alloy Silent Door Handle Lock

Name: High Quality New Design Zinc Alloy Silent Door Handle Lock
Brand: WITHSAFE HARDWARE CO., LTD
SKU: 915600345

Zhejiang, ChinaWITHSAFE HARDWARE CO., LTD

US$5.80

500-1,999 Pieces

US$5.00

2,000-4,999 Pieces

US$4.20

5,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Material

Zinc Alloy

Type

Key Lock

Style

Modern

Shape

Mortise Door Lock

Part

Lock

Backset

45mm

Door Thickness Fits

35-50mm

Lock Cylinder Length

70mm

Usage

Door, Furniture

Size

85mm or 72mm

Lock

Without Lock

Color

Ab, PC, Sc, Pb

Transport Package

Box

Specification

Trademark

WITHSAFE / OEM

Origin

China, Wenzhou

HS Code

830242000

Production Capacity

100, 000prs/Month

Key features

Silent Lock Mechanism: Features a 58x45mm silent lockbody for quiet operation.

Durable Zinc Alloy: Constructed with zinc alloy rose and handle for long-lasting strength.

Customizable Size: Available in 85mm or 72mm sizes to fit various door requirements.

Multiple Color Options: Offered in AB, PC, SC, and PB color finishes.

Versatile Finishes: Includes Black+PC, Black+PVD, Grey+PC, and electric-plating options.

Complete Set Included: Package contains lockbody, 70mm cylinder, and 3 brass keys.

Wide Door Thickness Fit: Accommodates door thicknesses ranging from 35mm to 50mm.

1-Year After-Sales Service: Provides 1 year of after-sales support for peace of mind.

Company profile

WITHSAFE HARDWARE CO., LTD

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2011-08-12Nearest Port: NINGBO,SHANGHAIAverage Response Time: ≤6.60hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryWITHSAFE HARDWARE CO., LIMITED is a China-based limited company in Zhejiang, described as both a trading company and manufacturer/factory, specializing in door locks and hardware systems for more than 10 years. Its product range includes door locks, handles, cylinders, hinges, bolts, stops, and related hardware. The supplier reports ISO 9001, ISO 20000, and QC 080000 certifications, three production lines, 6–10 quality-control staff, and annual output of 300,000 sets. It exports to multiple global regions, with exports representing 90% of total sales. Evidence supports established export operations, relevant manufacturing capacity, and documented management certifications. However, the provided information does not sufficiently verify after-sales procedures, financial credibility, customization services, or identifiable customer cases. Innovation evidence is present but limited to product updates, designs, and automated knob-lock equipment.

Supplier typeThe supplier is identified as a limited company in Zhejiang, China, and is described both as a trading company and manufacturer/factory. Its stated specialization is door locks and door hardware systems, with more than 10 years of industry involvement.

CertificationsThe supplier reports holding ISO 9001, ISO 20000, and QC 080000 management-system certifications. These are explicit certifications in the provided information, although certificate scope, issuing bodies, and validity dates are not supplied.

R&D capabilityEvidence of innovation includes innovative styles, unique packaging, quickly updated products, and the stated use of automated knob-lock production equipment. However, the reported R&D engineer experience is under five years, and no information is provided on patents, dedicated R&D investment, or a formal innovation pipeline.

Production capacityThe supplier reports three production lines, 6–10 quality-control staff, annual production of 300,000 sets of door and furniture hardware, and automated knob-lock production equipment. It also states one-month off-peak lead times and two-to-three-month peak-season lead times, indicating established production operations, although capacity utilization and independent verification are not provided.