DIN 21547 - 1988 Round Head Bolts With Oval Shoulder For Mine Supports

Unit: 毫米(mm)

Thread Size
d

M20

M24

Bolts, round head with oval neck

High Strength Joint Bolt For Railway - 10.9 grade

High Strength Joint Bolt For Railway - 8.8 grade

Fish Bolts - Part 1: with Round Head and Oval Neck

Fish Bolts - Part 1: with Round Head and Oval Neck

Flshbolt Profile

Black Cup Oval Neck Bolts

Railway Track Material - Fishbolts

Rail Joint Bolts

Elliptic Neck Track Bolts [Table 2] (A449, A354)

Oval Neck Track Bolts [Table 1] (A449, A354)