Part NumberIARHSSQNB012-51618X34
Thread Size5/16"-18
Diameter0.3125
Diameter (Min.)0.272
Diameter (Max.)0.324
Thread Pitch18
Length0.75
Thread Length0.626
Head Diameter (Min.)0.688
Head Diameter (Max.)0.719
Head Height(Min.)0.156
Head Height (Max.)0.176
Collar Diameter0.324
Collar Height0.124
Head TypeRound Head
Neck StyleShort Square Neck
Thread DirectionRight Hand
Thread AmountFull Thread
Measurement SystemInch
SpecificationASME B18.5