Hex Washer Serrated Head Self locking Screws Stainelss Steel Fastener for Auto

What is Self locking screws

Self locking screws are known as nylock screwsor nyloc screws as well , there are some threads are applied nylock patch for locking screws when screws are driven into parts and provide moe secured fastening especially for engineering fastening applications .

What are materials for self locking screws

There are several different materials for self locking screws so far that meet different applications in industry .

1 . Carbon steel including low carbon steel , medium carbon steel and high carbon steel , these different type materials with different hardness and torques .

2 . Stainless steel , this is popular material for applications with resistant corrosion requuiements . including SS 201 , SS 304 ( A2-70 / 18-8 ) , SS 316 ( A4-70 ) .

What are finishes for self locking screws

Generally , self locking screws have to be plated for carbon steel materials , or it will be rusted quiickly . normal finishes like zinc , nickel , brass , chrome , oxidation and gold . but for stainless steel material , self locking screws can be polished or passived or plain finish .

General technical data

Thread	M8
Head diamter	15.5
Head height	5.5
Thread length	30
Pitch	1.25
Tolerance	+/-0.1	Material	Stainless steel A2-70
Standard	DIN	Finish	Polish
Hardness	20 HRC
Torque	15
End point	Flat
Head drive	Hex
Head type	Hex washer

Optional specifications

Features

1 . Good self locking performance

Self locking screws with good nylock patch on threads .

2 . Not easy to be rusted

Self-locking screws are made from stainless steel .

3 . Not easy to be loosen

Serrated hex washer head design for more secure fastening .

Locking proof loading for sel-locking screws under different specifications and grades .

Other products we provide

we provide various metal and non-metal parts with standards and customizations , eg. Fastener Screws ( including Stainless steel screws ) , Spacers Washers , Fastener Nuts bolts , Fastener Pins ,Fastener Rivets , Metal Stamping Parts , Metal Machined Parts , Plastic Injection molding Parts . and Fastener Tools . We trade with buyers , wholesalers and retailers from different countries . We accept OEM and ODM service as well . Please contact us if you have any enquiry

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 .