Comparison : Item # BB-26323, Heavy Hex Structural Bolt, A325 Type 1, Plain (USA) (Inch)
Item # BB-26324, Heavy Hex Structural Bolt, A325 Type 1, Plain (USA) (Inch)
Item # BB-26325, Heavy Hex Structural Bolt, A325 Type 1, Plain (USA) (Inch)
Item # BB-26326, Heavy Hex Structural Bolt, A325 Type 1, Plain (USA) (Inch)
Item # BB-26327, Heavy Hex Structural Bolt, A325 Type 1, Plain (USA) (Inch)