Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies

Product review

Description

Details

Product Name  :  Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies

Material  :  Carbon steel,Iron,Stainless steel ,Brass copper,Alumilum,Zinc Alloy,Bronze

Specification  :  Including and over M2, the length according to customer's requirements

Manufacture Process  :  Cold forge heading/Secondary machine/Clamping/Threading/Surface treatment/(Automatic) testing/(Automatic) Packing/Shipping

Surface finishing  :  Zn-plated,Ni-plated,Passivated,H.D.G.(hot dip galvanizing),Chromate,Chorm plated,Blackoxide, Polish,Plain,Coppercoated,bronze plating,Dacromet,anodic oxidation etc.

Standard  :  ISO,GB,DIN,JIS,ANSI,BSW,IFI

Quality authentication  :  ISO 9001:2015, ISO/TS16949:2009, over 10 patents, the national high-tech enterprises.

Grade  :  4.8 6.8 8.8 10.9 12.9

Brand  :  Yuhuang

Thread  :  Coarse, fine

Used  :  Building industry machinery ,furniture







SEMS combines two normally seperate parts-typically a screw and a washer- into one permanently pre-assembled cost saving component. 

Washers are hel in place under the screw head by the rolled threads;they will not fall off and are free to rotate.