2 1 4 Bolt Torque Specs

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.

2 1 4 bolt torque specs. Grade 2 calculations only cover fasteners 1 4 3 4 in diameter up to 6 long. 23 section 6 appendix 12 21 01 rcr15 series rotary cutters 312 556m land pride section 6 appendix torque values chart for common bolt sizes in tpi1 n m2 ft lb3 n m ft lb n m ft lb mm x pitch4 n m ft lb n m ft lb n m ft lb 1 4 20 7 4 5 6 11 8 16 12 8 436597. Fine thread figures are for 1 14. Us recommended bolt torque.

Clamp loads are based on 75 of the minimum proof loads for each grade and size. Sae grade 5 120 000 psi med. Grade 2 5 and 8 values are for plated bolts. Sae grade 3 100 000 psi med carbon steel.

Sae grade 3 100 000 psi med carbon steel. Grade 2 5 and 8 values are for slightly lubricated bolts. Print this page. Grade 2 grade 5 grade 8 18 8 s s bronze brass.

Sae 0 1 2 74 000 psi low carbon steel. For longer fasteners the torque is reduced significantly. Fine thread figures are for 1 14. 1 1 4 12 59548 744 930 1055 1241 96565 1207 1509 1710 2012 113182 1415 1768 2004 2358 1 3 8 12 72967 1003 1254 1421 1672 118324 1627 2034 2305 2712 138686 1907 2384 2701 3278 1 1 2 12 87747 1316 1645 1865 2194 142292 2134 2668 3024 3557 166778 2502 3127 3544 4169 torque tension relationship for a307a grade 5 8 9 bolts locknut size threads.

Grade 2 calculations only cover fasteners 1 4 3 4 in diameter up to 6 long. Clamp loads are based on 75 of the minimum proof loads for each grade and size. Sae grade 6 133 000 psi med. It has grades 1 2 5 8.

3 4 to 1 1 2in. Coarse fine coarse fine coarse fine coarse fine coarse fine coarse fine 4 5 2 4 8. Recommended bolt torque table size recommended torque grade 2 grade 5 grade 8 18 8 s s bronze brass. 9 8 2006 11 12 23 am.

Sizes from 1 4 up are in ft lbs. Sae 0 1 2 74 000 psi low carbon steel. Sizes from 1 4 up are in lb ft. Low to medium grade carbon steels.

For longer fasteners the torque is reduced significantly.