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8.8grade HDG Hex Bolt and Nut DIN933

Product describe 


Head Type: Flat, ins pan, oval, round, binding, I. HD, Brazier, PF, HD, Button, cheese. 

Fillister, Ansi. Pan, Pan washer, Indented Hex. Washer. 

Raw material: Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 

Steel: C45(K1045), C46(K1046), C20 

Brass: C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), 

. Bronze: C51000, C52100, C54400, etc 

Surface treatment: TitaniZn- Plated, Ni-plated, Passivated, Tin-plated, Sandblast and Anodize, Chromate
Polish, Electro Painting, Black Anodize, Plain, Chrome plated, Hot Deep Galvanize(H. D. G. ) 
Um: GR1 GR2 GR5, etc 

Normal Dia: According customers requirement. 

Heat Treatment: Tempering, Hardening, Spheroidizing, Stress Relieving. 

Manufacturing Process: Heading/ washer assembly/ Threading/ Secondary machine/ heat treatment/ plating/ Anti-slipping/ Baking/ QA/ Package/ Shipping 

Sample Availability: We can make sample within 7 days free of charge if we have existing tooling 

Customer Service 

· 1. No question refund within 3 days. 
· 2. Well trained and experienced staffs at your service. 
· 3. Short lead time. 
· 4. International standard matched 
· 5. Non-standard / standard / OEM / ODM / customized service provided. 
· 6. Small Quantity available. 
· 7. Designed in accordance with customers' request. 
· 8. Packed and delivered by customers' requirement.