Attributes

Key Value
DriveExternal Hex
Fastener Length4-1/4 in
FinishBlack Oxide
Head Height5/16 in
Head Width0.75 in
ItemHex Head Cap Screw
MaterialSteel
Material Grade/ClassGrade 5
Material Quality Standa.SAE J429
Min. Thread Length1 1/4 in
Minimum Thread Length1 1/4 in
Proof Load74,000 to 85,000 psi
Rockwell HardnessHRC19
StandardsASME B18.2.1 SAE J429
System of MeasurementInch
Tensile Strength120,000 psi
Thread DirectionRight Hand
Thread Fit2A
Thread PitchPartially Threaded
Thread Size1/2"-13
Thread StylePartially Threaded
Thread TypeUNC (Coarse)
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