Capscrew Markings and Torque Values - U.S. Customary
SAE Grade Number 5 8
Capscrew Head Markings
These are all SAE Grade 5 (3) line
Capscrew Torque - Grade 5 Capscrew Capscrew Torque - Grade 8 Capscrew
Capscrew Body Size Cast Iron Aluminum Cast Iron Aluminum
N•m ft-lb N•m ft-lb N•m ft-lb N•m ft-lb
1/4-20 9 7 8 6 15 11 12 9
- 28 12 9 9 7 18 13 14 10
5/16 - 18 20 15 16 12 30 22 24 18
-24 23 17 19 14 33 24 25 19
3/8-16 40 30 25 20 55 40 40 30
-24 40 30 35 25 60 45 45 35
7/16 - 14 60 45 45 35 90 65 65 50
-20 65 50 55 40 95 70 75 55
1/2 - 13 95 70 75 55 130 95 100 75
- 20 100 75 80 60 150 110 120 90
9/16 - 12 135 100 110 80 190 140 150 110
- 18 150 110 115 85 210 155 170 125
5/8 - 11 180 135 150 110 255 190 205 150
- 18 210 155 160 120 290 215 230 170
3/4 - 10 325 240 255 190 460 340 365 270
- 16 365 270 285 210 515 380 410 300
7/8 - 9 490 360 380 280 745 550 600 440
- 14 530 390 420 310 825 610 660 490
1 - 8 720 530 570 420 1100 820 890 660
- 14 800 590 650 480 1200 890 960 710
Section V - Engine Component Specifications Capscrew Markings and Torque Values - U.S. Customary
N14 Page V-45
To Next Page
Loading...
