Hexagon Head Bolt And Serrated Lock Washer internal Teeth Assemblies
Review
Description
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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. |
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Standard : ISO,GB,DIN,JIS,ANSI,BSW,IFI |
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Quality authentication : ISO 9001:2015, ISO/TS16949:2009, over 10 patents, the national high-tech enterprises. |
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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.
