Torque Table
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sae2 bolt sae5 bolt sae7 bolt sae8 bolt
SAE 2 SAE 5 SAE 7 SAE 8
  2 5 7 8 SOCKET HEAD CAP SCREW
I.D. Marks No markings 3 lines 5 lines 6 lines Allen head
Material Low carbon Medium-carbon, tempered Medium-carbon,
quenched & tempered		 Medium-carbon, quenched & tempered High-carbon, quenched & tempered
Tensile strength (Minimum) 74,000 psi 120,000 psi 133,000 psi 150,000 psi 160,000 psi

U.S. BOLT TORQUE SPECIFICATIONS
Torque in pounds-foot

    2 2 5 5 7 7 8 8 Socket head cap screw Socket head cap screw
Bolt Dia. Thread per inch Dry Oiled Dry Oiled Dry Oiled Dry Oiled Dry Oiled
1/4 20 4 3 8 6 10 8 12 9 14 11
1/4 28 6 4 10 7 12 9 14 10 16 13
5/16 18 9 7 17 13 21 16 25 18 29 23
5/16 24 12 9 19 14 24 18 29 20 33 26
3/8 16 16 12 30 23 40 30 45 35 49 39
3/8 24 22 16 35 25 45 35 50 40 54 44
7/16 14 24 17 50 35 60 45 70 55 76 61
7/16 20 34 26 55 40 70 50 80 60 85 68
1/2 13 38 31 75 55 95 70 110 80 113 90
1/2 20 52 42 90 65 100 80 120 90 126 100
9/16 12 52 42 110 80 135 100 150 110 163 130
9/16 18 71 57 120 90 150 110 170 130 181 144
5/8 11 98 78 150 110 140 140 220 170 230 184
5/8 18 115 93 180 130 210 160 240 180 255 204
3/4 10 157 121 260 200 320 240 380 280 400 320
3/4 16 180 133 300 220 360 280 420 320 440 350
7/8 9 210 160 430 320 520 400 600 460 640 510
7/8 14 230 177 470 360 580 440 660 500 700 560
1 8 320 240 640 480 800 600 900 680 980 780
1 12 350 265 710 530 860 666 990 740 1060 845
 

horizontal rule

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