Comparison : Item # BB-18560, Hex Cap Screw, Grade 8, Plain, Alloy (Import) (Inch)
Item # BB-18561, Hex Cap Screw, Grade 8, Plain, Alloy (Import) (Inch)
Item # BB-18562, Hex Cap Screw, Grade 8, Plain, Alloy (Import) (Inch)
Item # BB-18563, Hex Cap Screw, Grade 8, Plain, Alloy (Import) (Inch)
Item # BB-18564, Hex Cap Screw, Grade 8, Plain, Alloy (Import) (Inch)