Share on (1601358583103):


product name | hex socket countersunk head screws bolts |
Material | 1022A |
Service | OEM/ODM and fast shipping ,strict quality check,free sample for standard fastener |
customize lead time | 30-60days |
standard | DIN, ASTM/ANSI JIS EN ISO, AS, GB |
Steel Grade | DIN: Gr.4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr.2, 5, 8; |
Production Process | M2-M30:Cold Froging, M30-M100 Hot Forging, Machining and CNC for Customized fastener |
finishing | Black Phosphated , Grey Phosphated, Blue-white zinc , White zinc,plain |
Nominal | Head diameter | Lead (P) | Outer diameter of thread (d) |
#6 M3.5 | 8.14 8.50 | 2.80 | 3.40 3.70 |
#7 M3.9 | 8.14 8.50 | 2.80 | 3.70 4.00 |
#8 M4.2 | 8.14 8.50 | 3.20 | 4.00 4.30 |
#10 M4.8 | 8.14 8.50 | 3.20 | 4.65 4.95 |

























New products from manufacturers at wholesale prices