Attributes

Key Value
DriveExternal Hex
Fastener Length4 in
FinishBlack Oxide
Head Height5/32 in
Head TypeHex
Head Width0.4375 in
ItemHex Head Cap Screw
MaterialSteel
Material Grade/ClassGrade 8
Min. Thread Length3/4 in
Minimum Thread Length3/4 in
Proof Load120,000 psi
Rockwell HardnessHRC33
Screw Industry StandardsASME B18.2.1
StandardsASME B18.2.1 SAE J429
System of MeasurementInch
Tensile Strength150,000 psi
Thread DirectionRight Hand
Thread PitchPartially Threaded
Thread Size1/4"-28
Thread StylePartially Threaded
Thread TypeUNF (Fine)
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