Self Locking Stainelss Steel Fastener Screws Hex Washer Serrated Head For A

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
Self Locking Stainelss Steel Fastener Screws Hex Washer Serrated Head For Auto
0
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



d k s d1
M5 4.3 8 11.2
M6 5.5 10 14.2
M8 7 13 18.2
M10 8.5 15 21
M12 10 17 24
M16 14 22 31




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 .



Spec Locking proof loading vlaue/ KN
Grade 5 Grade 9 Grade 10
M6 5.73 9.8 12.5
M8 10.4 17.8 22.8
M10 16.5 28.3 36.1
M12 24.5 41.1 52.5
M14 32.8 56.1 71.6
M16 44.8 76.5 97.5
M20 69.8 110 152
M24 101 159 220




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

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