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Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol
#4-40
4 *
0.4
#6-32 8 * 0.9
#8-32 14 * 1.6
#10-24 20 * 2.3
#10-32 23 * 2.6
1/4-20 41618211
3 5172102143
5/16-18 8 2 11 2 17 3 24 4 10 2 14 3 25 5 34 7
3/8-16 15 3 20 4 31 6 42 8 12 2 16 3 40 10 54 14
7/16-14 24 5 32 6 50 10 65 13 70 15 95 20
1/2-13 36 7 50 10 75 ** 15 100 20 24 5 32 6 100 20 135 27
9/16-12 55 10 75 14 110 20 150 25 150 30 200 40
5/8-11 75 12 100 17 150 25 200 20 200 40 275 55
3/4-10 130 25 175 24 260 50 350 70 370 50 500 70
7/8-9 145 20 195 28 425 60 575 80 600 60 800 80
1.0-8 190 22 250 30 650 75 875 100 900 90 1200 120
1 1/8-7 265 27 350 35 790 80 1075 100 1200 120 1650 160
1 1/4-7 375 40 500 55 1100 120 1500 150 1750 180 2400 250
1 3/8-6 490 50 650 70 1450 150 1950 200 2300 230 3100 300
1 1/2-6 625 60 850 90 1750 180 2350 250 3000 300 4000 400
*
ASTM and SAE Torque Values
Grade 5 Grade 8
Foot-PoundFoot-Pound Newton-Meter Newton-Meter
GASKETED COVERS
SCREW
SIZE
Grade 2
Foot-Pounds Newton-Meter Newton-MeterFoot-Pound
-
Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol Ft-Lbs Tol N-M Tol
#4-40 4 * 0.4 5 * 0.6
#6-32 8 * 0.9 10 * 1.1
#8-32 20 * 2.3 16 * 1.8 21 * 2.4
#10-24 18 * 2 24 * 2.7
#10-32 34 * 3.8 33 * 2.9 33 * 3.7
1/4-20 61925
1 7 2 61826181
5/16-18 13 2 18 3 9 2 12 2 11 2 15 3 11 2 15 3
3/8-16 23 2 31 6 16 3 22 4 21 4 28 5 18 2 24 3
7/16-14 36 5.14 50 10 26 5 35 7 33 7 45 9 28 4 38 5
1/2-13 50 10 70 14 35 7 45 9 45 9 60 12 44 ** 66012
9/16-12 55 10 70 13 60 11 80 15
5/8-11 110 18 145 24 85 14 115 19 100 17 140 23
3/4-10 180 35 240 46 120
23 160 31 130 25 180 35
7/8-9 430 60 580 82 205 30 280 40
1.0-8 580 70 790 90 300 35 400 45
1 1/8-7 430 45 590 60
1 1/4-7 550 60 750 80
1 3/8-6 700 70 950 100
1 1/2-6 930 100 1250 130
* Inch-pounds
Foot-PoundNewton-Meter
Stainless Screws
Foot-Pound Foot-PoundNewton-MeterFoot-Pounds Newton-Meter
Brass Screws Grade B Top Lock NutsSet Screws
Newton-Meter
SCREW
SIZE
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