SAE Bolt Torque Chart
Flange Size
Bolt Size UNC
(Min) lb-ft (Max.)
(Min) N·m (Max)
1/2"
5/16-18
(15) - (23)
(20) - (30)
3/4"
3/8-16
(21) - (40)
(28) - (55)
1"
3/8-16
(27) - (40)
(37) - (55)
1-1/4"
7/16-14
(35) - (63)
(47) - (85)
1-1/2"
1/2-13
(46) - (97)
(62) - (130)
2"
1/2-13
(55) - (97)
(73) - (130)
2-1/2"
1/2-13
(80) - (97)
(105) - (130)
3"
5/8-11
(115) - (195)
(160) - (265)
3-1/2"
5/8-11
(115) - (195)
(160) - (265)
4"
5/8-11
(115) - (195)
(160) - (265)
5"
5/8-11
(115) - (195)
(160) - (265)
AG,T803584,251 -19-14JUN00-1/1