CLAMPING SPECIFICATIONS

Light Font denotes Inch/Lbs and Bold Font denotes Foot/Lbs
Assembly Torque - Dry ( R=.200 ), Lubed ( R=.150 )

SAE GRADE 2 SAE GRADE 5 SAE GRADE 8
Size Clamp
Load
Assy
Torque
Dry
Assy
Torque
Lubed
Clamp
Load
Assy
Torque
Dry
Assy
Torque
Lubed
Clamp
Load
Assy
Torque
Dry
Assy
Torque
Lubed
4-40 250 5 4 380 8 6 540 12 9
4-48 275 6 5 420 9 7 600 13 10
6-32 375 10 8 580 16 12 820 23 17
6-40 420 12 9 640 18 13 920 25 19
8-32 580 19 14 900 30 22 1260 41 31
8-36 610 20 15 940 31 23 1320 43 32
10-24 725 27 21 1120 43 32 1580 60 45
10-32 825 31 23 1285 49 36 1800 68 51
1/4-20 1320 66 50 2000 8 75 2850 12 9
1/4-28 1500 76 56 2300 10 86 3250 14 10
5/16-18 2160 11 8 3350 17 13 4700 25 18
5/16-24 2400 12 9 3700 19 14 5200 25 20
3/8-16 3200 20 15 4950 30 23 7000 45 35
3/8-24 3620 23 17 5600 35 25 7900 50 35
7/16-14 4390 32 24 6800 50 35 9550 70 55
7/16-20 4900 36 27 7600 55 40 10650 80 60
1/2-13 5850 50 35 9000 75 55 12750 110 80
1/2-20 6600 55 40 10250 90 65 14375 120 90
9/16-20 7500 70 55 11600 110 80 16375 150 110
9/16-18 8400 80 60 13000 120 90 18250 170 130
5/8-11 9350 100 75 14400 150 110 20350 220 170
5/8-18 10550 110 85 16375 180 130 23000 240 180
3/4-10 13800 175 130 21300 260 200 30100 380 280
3/4-16 15400 200 150 23800 300 220 33500 420 320
7/8-9 11450 170 125 29450 430 320 41600 600 460
7/8-14 12600 180 140 32450 470 360 45900 660 500
1.00-8 15000 250 190 38600 640 480 54500 900 680
1.00-12 16400 270 210 42300 710 530 59700 1000 740
1.00-14 16800 280 210 43400 730 540 61200 1020 760
1.125-7 18900 350 270 42300 800 600 68900 1280 960
1.125-12 21200 400 300 47500 880 660 77000 1440 1080
1.250-7 24000 500 380 53800 1120 840 87200 1820 1360
1.250-12 26600 550 420 59600 1240 920 96600 2000 1500
1.375-6 28600 670 490 64100 1460 1100 104000 2380 1780
1.375-12 32500 750 560 73000 1680 1260 118400 2720 2040
1.500-6 34800 870 650 78000 1940 1460 126500 3160 2360
1.500-12 39100 980 730 87700 2200 1640 142200 3560 2660




Smith Fastener Company • 3613 East Florence Avenue, Bell, California, 90201
Phone: ( 323 ) 587-0382 • FAX: ( 323 ) 587-8712 • E-mail: [email protected]
Copyright © 2009 by Smith Fastener Company

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