Apr. 2007
1
-15
DSC48
1.7.3 AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF
THREADS
Grade
Unit
Diameter
SAE GR.5 SAE GR.5
Nm kgf-m lb-ft Nm kgf-m lb-ft
5/16 23.1 ~ 27.8 2.35 ~ 2.84 17.0 ~ 20.5 32.5 ~ 39.3 3.31 ~ 4.01 24.0 ~ 29.0
3/8 47.5 ~ 57.0 4.84 ~ 5.82 35.0 ~ 42.0 61.0 ~ 73.2 6.22 ~ 7.47 45.0 ~ 54.0
1/2 108.5 ~ 130.2 11.07 ~ 13.29 80.0 ~ 96.0 149.2 ~ 179.0 15.22 ~ 16.27 110.0 ~ 132.0
9/16 149.2 ~ 179.0 15.22 ~ 18.27 110.0 ~ 132.0 217.0 ~ 260.4 22.14 ~ 26.57 160.0 ~ 192.0
5/8 203.4 ~ 244.1 20.75 ~ 24.91 150.0 ~ 180.0 298.3 ~ 358.0 30.44 ~ 36.53 220.0 ~ 264.0