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Thread Class:
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3a
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Thread Direction:
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Right-hand
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Thread Length:
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0.378 inches minimum and 0.428 inches maximum
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Fastener Length:
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1.888 inches minimum and 1.918 inches maximum
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Head Style:
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Flat countersunk
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Head Diameter:
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0.464 inches minimum and 0.507 inches maximum
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Grip Diameter:
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0.2490 inches minimum and 0.2495 inches maximum
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Internal Drive Style:
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Offset cruciform (torque set)
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Thread Diameter:
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0.250 inches
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Grip Length:
|
1.490 inches minimum and 1.510 inches maximum
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Thready Qty Per Inch (tpi):
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28
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Min. Tensile Strength (psi):
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160000 pounds per square inch
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Countersink Angle:
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99.0 degrees minimum and 101.0 degrees maximum
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Surface Finish:
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32.0 microinches grip
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Surface Finish:
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32.0 microinches threads
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Material:
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Titanium alloy overall
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Material Specification:
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Ams4967 comp 6al-4v assn std single material response overall
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Thread Series Designator:
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Unjf
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Specification Data:
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80205-nas1580 professional/industrial association standard
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