Carrier 69NT40-561-399 - Table 7-5 Recommended Bolt Torque Values (Dry, Non-Lubricated for 18-8 Stainless Steel)

T-365 7–46
Table 7–5 Recommended Bolt Torque Values (Dry, Non-Lubricated for 18-8 Stainless Steel)
BOLT DIA. THREADS in-lb ft-lb N-m
Free Spinning
#4 40 5.2 0.4 0.6
#6 32 9.6 0.8 1.1
#8 32 20 1.7 2.3
#10 24 23 1.9 2.6
1/420 756.38.5
5/16 18 132 11 14.9
3/8 16 240 20 27.1
7/16 14 372 31 42
1/2 13 516 43 58.3
9/16 12 684 57 77.3
5/8 11 1104 92 124.7
3/4 10 1488 124 168.1
Non Free Spinning (Locknuts etc.)
1/4 20 82.5 6.9 9.3
5/16 18 145.2 12.1 16.4
3/8 16 264 22.0 29.8
7/16 14 409.2 34.1 46.2
1/2 13 567.6 47.3 64.1
9/16 12 752.4 62.7 85
5/8 11 1214.4 101.2 137.2
3/4 10 1636.8 136.4 184.9