Standard Thread	Makeup Torque	Shank Dia	Bit Size
1" AMMT	400 ft-lbs	1 9/16"	1 3/4" to 2 5/16"
1 1/2" AMMT	675 ft-lbs	2"	2 3/8" to 3 3/8"
2 3/8 API Reg	3,100 ft-lbs	3 1/8"	3 1/2" to 4 1/2"
2 7/8 API Reg	5,900 ft-lbs	3 3/4"	4 5/8" to 5 3/8"
3 1/2 API Reg	9,850 ft-lbs.	4 1/2"	5 1/2" to 9 3/8"
4 1/2 API Reg	21,000 ft-lbs	6 1/2"	9 1/2" to 14 1/2"
6 5/8 API Reg	47,800 ft-lbs	8"	larger than 14 1/2"