M4 M8 Flat Square head bolt

Place of Origin:

Shanghai, China

Brand Name:

JM, JM

Model Number:

square head bolt

Standard:

ANSI, ASME B 18.2.1

name:

M4 M8 Flat Square head bolt

Finish:

zinc

Grade:

SAE J429 Gr.2, 5,8; A307 Gr. A

Size:

1/4"-1 1/2"

Material:

Carbon Steel

Head Mark:

JM

Thread type:

UNF

Features:

square head bolt