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SAE Bolt Strength


SAE Bolt Tensile Strength (Working Load)


Safe Tensile Load at 6,000 PSI Load
Safe Shear Strength at 7,500 PSI Load


NF Thread Grade 2 Iron Bolt
BOLT DIA
(IN)
SHEAR
(AT THREAD ROOT)
SHEAR
(FULL BOOT)
TENSILE
(AT THREAD ROOT)
1/4"200370160
5/16"340575270
3/8"5108304100
7/16"7001130560
1/2"9401470760
9/16"
5/8"151023001210
3/4"226033101810
7/8"314045102520
1"413058903300
1-1/8"520074504160
1-1/4"667092005350
1-3/8"7900111306340
1-1/2"9700132507700
1-5/8"11360155509090
1-3/4"130801800010470
1-7/8"153702070012300
2"172502356013800

BOLT TENSILE STRENGTH
(BREAKING STRENGTH - LBS)


BOLT DIA
(IN)
Grade 2Grade 5Grade 8
COARSEFINECOARSEFINECOARSEFINE
1/4"235027003800435047505450
5/16"390043006300695078508700
3/8"
7/16"7850880012800144001590017800
1/2"105001180017000192002130024000
9/16"135001500021800244002730030400
5/8"167001890027100307003390038400
3/4"247002760040100448005010056000

Please Note:
The above specifications are offered as a guide ONLY. Specifications should be determined with assembly conditions taken into account.



Published: Jun 18, 2019