Premium Double Fold Self-Locking Washer for Secure Fastening

Name: Premium Double Fold Self-Locking Washer for Secure Fastening
Brand: Handan Chang Lan Fastener Manufacturing Co., Ltd.
SKU: 2167682432

Hebei, ChinaHandan Chang Lan Fastener Manufacturing Co., Ltd.

US$0.25

100-998 Pieces

US$0.15

999-9,999 Pieces

US$0.05

10,000+ Pieces

Sample price:US$0.25/piece.Request sample

Product profile

Customization

Available

Type

Lock Washer

Material

Carbon Steel

Model NO.

DIN25201

Combination Washer Structure

A Type

Spring Washer Type

Standard

Executive Standard

DIN25201

Raw Material

Spring Steel 304 Stainless Steel

Surface Treatment

Zinc Flake / Electro Galvanized

Fixing Mode

Friction Self-Locking Connection

Transport Package

Woven Bag / Cardboard Box

Specification

M3-M30

Trademark

Origin

Handan Hebei

Key features

Double-sided Serrated Teeth: Interlock tightly with metal surfaces to boost friction and lock bolts against vibration loosening.

All-in-one Lock Design: Abandon stacked flat & spring washers; single piece simplifies assembly and avoids part missing trouble.

58% Higher Anti-loose Friction: Radial tooth structure provides stronger holding power than common plain flat washers.

Shock-resistant Fastening: Perfect for automotive, railway and electrical equipment with continuous vibration working conditions.

Zinc Flake Surface: Delivers 3 times better anti-rust performance than conventional galvanized washers for outdoor damp usage.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedProduct Certification

Handan Chang Lan Fastener Manufacturing Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤2.91hTerms of Payment: Western Union, PayPal, D/P, etc.International Commercial Terms(Incoterms): FOB, DAP, EXW, CIP, CPT, CFR, CIF, Others, FCA, DAT

About Our Factory & Business Background

AddressLin Ming Guan Zhen Bei Shi Kou Cun Dong, Yongnian District, Handan, Hebei, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsScrew, Bolt, Nut, Anchor Bolt, Flat Washer, Expansion Bolt, Threaded Rod, High-Strength Bolt, Self-Drilling Screw, Drywall Screw

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:why should you buy from us not from other suppliers?

we are manufacture for bolts and nuts have several Taiwan machine do products ,hot forging &cold forging all can supply and our quality for export no problem . still now have many customers in global

Q:how can we guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:who are we?

We are based in Hebei, China, start from 2015,sell to Domestic Market(40.00%),Africa(30.00%),South America(10.00%),Southeast Asia(10.00%),Southern Europe(5.00%),Northern Europe(5.00%). There are total about 11-50 people in our office.