Heavy Duty Structural Bolts for Steel Connections A325 / A490 Heavy Hex Bolt Supplier

Designed for High-Load Steel-to-Steel Connections

Heavy-duty structural bolts are specifically manufactured for steel-to-steel load-bearing connections where joint integrity, preload force, and long-term vibration resistance are critical.

, making them suitable for demanding applications such as steel building frames, bridge connections, pre-engineered buildings (PEB), industrial plants, and transmission tower assemblies.

ASTM A325 and A490

ASTM A325 Type 1

ASTM A490

DIN 6914

ISO 7412

JIS F10T

Grade 8.8 / 10.9

custom anti-corrosion coating

.

A325 HDG structural bolts are common in the market.

1/2"-13

5/8"-11

3/4"-10

7/8"-9

1"-8

1-1/4"-7

M12

M16

M20

M24

M30

export-grade packaging

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