Product Description:

Standard No: ASTM A307 Heavy Hex Bolts  

Grade: B

HS Code: 73181500

Origin:   Ningbo, China

Trademark:   M

Type: Round Head

Connection: Common Bolt       

Size: From M12 to M48

Diameter: 1/4”-2”

Material:  Low Carbon Steel

Application: Machine industry, Constructions

Packing:   25 Kgs Per Box, 36 Boxes Per Pallet  

Finish: black, zinc-plated (ZP), hot-dipped galvanizing (HDG), etc.

Production Capacity: 1600ton/Month

The Bolt will generally conform to ANSI/ASME B 18.2.1M Heavy Hex Bolts. Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges.