DIN6919 Carbon Steel Black Flat Washers is one of our common standard washers, the material of carbon steel, the surface has black oxide,zinc plated. DIN6919 Carbon Steel Black Flat Washers is use with A394 high strength structural bolts. DIN6919 Carbon Steel Black Flat Washers, mainly punched out from iron plates. The common shape of a flat washer is a hole in the central. The pore size specifications according to customer requirements. high quality and lower price. Our company has certificates ISO9001.
Place of Origin | CHINA |
Standard | DIN6919 Carbon Steel Black Flat Washers |
HS CODE | 3926901000 |
Brand Name | QBH |
Certification | ISO9001 |
Material | 35K, 40Cr, 35CrMo, SCM435, etc. |
Size | M3-M64 |
Production Process | Cold forging≤300mm, Hot forging≤1000mm |
Class | 100HV/ 200HV/ 300HV |
Delivery Time | Within 30 Days |