Ventrac 4520P - Standard Torque Specifications Table for SAE J429 Grade 2 Steel Fasteners

Standard Torque Specifications Table for SAE J429
Grade 2 Steel Fasteners
Coarse Thread
Thread
Size
Lubricated Torque Dry Torque Clamp Load
N-m in-lb N-m in-lb N lb
1/4–20 6 49 7 65 5,783 1,300
5/16–18 11 101 15 134 9,564 2,150
N-m ft-lb N-m ft-lb
3/8–16 20 15 27 20 14,234 3,200
7/16–14 332 24 41 30 19,572 4,400
1/2–3 50 37 66 49 26,022 5,850
9/16–12 72 53 95 70 33,362 7,500
5/8–11 99 73 132 97 41,368 9,300
3/4–10 175 129 235 173 61,389 13,800
7/8–9 169 125 225 166 50,821 11,425
1–8 255 188 339 250 66,723 15,000
Fine Thread
Thread
Size
Lubricated Torque Dry Torque Clamp Load
N-m in-lb N-m in-lb N lb
1/4–28 6 55 8 75 6,672 1,500
5/16–24 13 112 17 150 10,676 2,400
N-m ft-lb N-m ft-lb
3/8–24 23 17 31 23 16,014 3,600
7/16–20 36 27 49 36 21,796 4,900
1/2–20 56 41 75 55 29,358 6,600
9/16–18 80 59 107 79 37,365 8,400
5/8–18 113 83 149 110 47,151 10,600
3/4–16 195 144 262 193 68,503 15,400
7/8–14 187 138 249 184 56,092 12,610
1–12 278 205 370 273 72,995 16,410
4520P Page 2–7 Specifications: Torque Specifications
09.40003Rev 00