SAE Grade 2 Bolt Torque Chart

Given here is the bolt torque chart for the SAE Grade 2, also known as SAE J429 Grade 2 bolts. The SAE J429 covers bolts and fasteners used in automotive industry. It has grades 1, 2, 5, 8. The SAE Grade 2 covers bolts from 1/4 inches to 3/4 inches in diameter and length of 6 inches or below and studs of all lengths and is equivalent to ASTM A307 Grades A or B. The below SAE Grade 2 Bolt Torque Chart provides tension, torque, TPI information for the SAE Grade 2 bolts.

Bolt Size TPI Proof Load (lbs)  Clamp Load (lbs) 
Tightening Torque (ft lbs)
Galv+Waxed Galv Plain
14 20 1,750 1,313 3 7 5
516 18 2,900 2,175 6 14 11
38 16 4,250 3,188 10 25 20
716 14 5,850 4,388 16 40 32
12 13 7,800 5,850 24 61 49
916 12 10,000 7,500 35 88 70
58 11 12,400 9,300 48 121 97
34 10 18,400 13,800 86 216 173
78 9 15,200 11,400 83 208 166
1 8 20,000 15,000 125 313 250
118 7 25,200 18,900 177 443 354
114 7 32,000 24,000 250 625 500
138 6 38,100 28,575 327 819 655
112 6 46,400 34,800 435 1,088 870

SAE Grade 2 Bolt Torque Chart here provides proof load and clamp load from 1/4 bolt sizes to 11/2 bolt sizes.


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