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
|Head diamter|| 15.5|
|Head height|| 5.5|
|Thread length|| 30|
|Tolerance|| +/-0.1||Material|| Stainless steel A2-70|
|Standard|| DIN||Finish|| Polish|
|Hardness|| 20 HRC|
|End point|| Flat|
|Head drive|| Hex|
|Head type|| Hex washer|
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 .
|Spec||Locking proof loading vlaue/ KN|
|Grade 5||Grade 9||Grade 10|
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