Part NumberIAFHSQNB025-51618X34
Thread Size5/16"-18
Diameter0.3125
Diameter (Min.)0.298
Diameter (Max.)0.324
Thread Pitch18
Length0.75
Thread Length0.5
Head Diameter (Min.)1.188
Head Diameter (Max.)1.227
Head Height(Min.)0.094
Head Height (Max.)0.114
Collar Diameter0.342
Collar Height0.25
Head TypeFlat Head
Neck StyleSquare Neck
Thread DirectionRight Hand
Thread AmountStandard Thread Length
Measurement SystemInch
SpecificationASME B18.5