Heavy Hex Structural Bolt:
ASTM F3125/3125M Grade A325/A325M/A490/A490M Type 1
ASTM A325/A325M Type 1
ASTM A490/A490M Type 1
Heavy Hex Bolt:
ASTM A307 Grade B
ASTM A193 Grade B7/B7M/B8/B8M/B16
ASTM A320 Grade L7/L7M/B8/B8M
Hex Bolt:
ASTM A307 Grade A
SAE J429 Grade 2/5/8
DIN 931/933 Class 4.8/6.8/8.8/10.9/12.9
DIN 960/961 Class 4.8/6.8/8.8/10.9/12.9
ISO4014/4017 Class 4.8/6.8/8.8/10.9/12.9