Attributes

Key Value
Basic MaterialAlloy Steel
Cap Screw TypeHex Head Cap Screw
Country of Origin (subj.United States
Dia./Thread Size1/4"-28
Dimensional StandardsASME B18.2.1
DriveHex
Fastener FinishZinc Yellow CR+3
Fastener Industry Stand.ASME B18.2.1
Fastener Length2 1/2 in
Fastener Thread Directi.Right Hand
Fastener Thread StylePartially Threaded
Fastener Thread TypeUNF (Fine)
FinishZinc Yellow
Head Height5/32 in
Head StyleHex
Head TypeHex
Head Width0.4375 in
ItemHex Head Cap Screw
MaterialSteel
Material GradeGrade 8
Material Grade/ClassGrade 8
Material Quality Standa.SAE J429
Min. Thread Length3/4 in
Minimum Thread Length3/4 in
Overall Length2 1/2 in
Proof Load120,000 psi
Rockwell HardnessC33 to C39
Screw Grade/ClassGrade 8
Screw Industry StandardsASME B18.2.1
System of MeasurementInch
Tensile Strength150,000 psi
Thread DirectionRight Hand
Thread PitchPartially Threaded
Thread Size1/4"-28
Thread StylePartially Threaded
Thread TypeUNF (Fine)
Threadlocker Minimum Te.1/4"-28
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