Passivated Metal Stamping Parts SS External Tooth Lock Washer DIN6797 Type A

Passivated Metal Stamping Parts SS External Tooth Lock Washer DIN6797 Type A

Toothed lock washer stamping parts with a hole in the centre that can be put onto a screw or bolt for combination application , toothed lock washer type A is stamped with external teeth , and each tooth are not on level , they are placed with waving for increase friction .

External toothed lock washers are usually used with a combined screw or headed bolt to enhance secure purpose , the specifications are from 1.7 to 31 normally , customized sizes are available .

DIN 6797 type A

Unit : mm

Material for external toothed lock washers either stainless steel nor carbon steel and sometimes , spring steel is also a choice .

SUS 304 toothed lock washer

Chemical elements

Physical performance

Finish for external toothed lock washers

Zinc

The most popular plating for the most products , bright and smooth and resistant corrosion

Nickel

The film thickness is 1～3μm , it improves brightness and wear resistance . it is for the most items .

Polishing

Reduce roughness of parts and improve brightness . is workable for the most metal parts in industry .

Tin

With film thickness 0.13～1.27μm , tin finish with bright surface and good ductility ,corrosion resistance ,lower melting point ,eco-friendly features . and is used for electronics .

Brass

Usually, 5gm～8gm finish coating thickness and with good dispersibility ,Bright appearance .

Dacromet

This finish is grey color with High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly etc characteristics and the film thickness is 4-8μm ; Its used for Heavy-load truck ,engine ,Marine equipments etc

Chrome

Chrome finish is silver white color and the thickness of film is 0．25～0．5μm normally . chrome finish has many practical Features like Bright appearance ,Wear resistance ,Corrosion resistance ,Hard plating film ,Heat resistance .

Applications for external toothed lock washers

★ Car and Trucks

★ Air conditioner

★ Aerospace

★ Vessels

★ Bus

★ Telecommunication

★ Machines

★ Official devices

★ Electric items

Tips for operation

External toothed lock washers should be used combined with screws or bolts that with flat head so that lock washers can be touched fully it to increase friction .

With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demands .

Our product range covers Fasteners ( Screws , Bolts , Nuts , Rivets , Washers , Pins ) , Stamping Parts , Machined Parts , Plastic Injection Molded Parts Which are made of or from different materials for every field in industry , Agriculture and Service . We own advanced process machines and experienced skilled workers to ensure products are manufactured in high quality . We are able to proceed special designs for new projects and provide good solutions to difficult problems during operations , and OEM services are available for us as well .

We carry out ISO management system for our normal managements and put more good management styles based on hommization , efficiency , technicalization according to our actual situations . Our products are sold to the most countries or areas in the world and serve many fields , welcome you to send enquiries to us and looking forward to cooperation .