Attributes

Key Value
DriveExternal Hex
Fastener Length1-1/4 in
FinishZinc Plated
Globally SourcedGlobally Sourced
Head Height7/32 in
Head Width0.5 in
Hex Head Cap Screw TypeHex Tap Bolt
ItemHex Head Cap Screw
MaterialSteel
Material Grade/ClassGrade A307
Minimum Thread Length1 1/4 in
Proof Load33,000 psi
Rockwell HardnessHRB69
Size5/16"-18 x 1-1/4"
StandardsASME B18.2.1 ASTM A307
System of MeasurementInch
Tensile Strength105,000 to 120,000 psi
Thread DirectionRight Hand
Thread Length1-1/4"
Thread PitchFully Threaded
Thread Size5/16"-18
Thread StyleFully Threaded
Thread TypeUNC (Coarse)
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