NAME:DIN439
SIZE: M3-M62 ; ANSI 1/4"-2.1/2"
SURFACE TREATMENT:Zinc Plated(CR3+,CR6+),Black Treatment,Hot Galvanization Etc.
Produce According With DIN(Code Forging:M4-M24 ; Hot Forging: M27-M62),ANSI(Code Forging:1/4"-7/8"; Hot Forging: 1"-2.1/2"), BS, ISO and GB, also could product the non-standard which deal with your drawing or sample.
NAME:DIN439
SIZE:M6-M54
GARDE:4,6,8
TREATMENT:PLAIN,ZINC PLATED,H.D.G