TORQUE ASTM A449 / SAE GRADE 5

Bolt SizeTPIProof Load (lbs)Clamp Load (lbs)Tightening Torque (ft lbs)
Galv + Wax
Tightening Torque (ft lbs)
Galv
Tightening Torque (ft lbs)
Plain
1/4"202,7002,0254118
5/16"184,4503,33892217
3/8"166,6004,950153931
7/16"149,0506,788256249
1/2"1312,0509,038389475
9/16"1215,45011,58854136109
5/8"1119,20014,40075188150
3/4"1028,40021,300133333266
7/8"939,25029,438215537429
1"851,50038,625322805644
1 1/8"756,45042,338397992794
1 1/4"771,70053,7755601,4001,120
1 3/8"685,45064,0887341,8361,469
1 1/2"6104,00078,0009752,4381,950
1 3/4"5104,50078,3751,1432,8572,286
2"4.5137,500103,1251,7194,2973,438
2 1/4"4.5178,750134,0632,5146,2845,027
2 1/2"4220,000165,0003,4388,5946,875
2 3/4"4271,150203,3634,66011,6519,321
3"4328,350246,2636,15715,39112,313