Maximum Allowable Torque

All Torque Values are ft-lbs (N-m)

Rod Size Grade D Carbon
(620C) AISI 1536M
Grade D Alloy
(780M) AISI 4120M
Grade D Special Alloy
(750N) AISI 4330M
Special Service
(960M) AISI 4120M
Special Service
(970N) AISI 4330M
13/16" (20.6mm) 540 (732) 565 (766) 580 (786) 725 (983) 725 (983)
7/8" (22.2mm) 680 (922) 735 (997) 750 (1017) 900 (1220) 900 (1220)
1" (25.4mm) 1015 (1376) 1100 (1491) 1110 (1505) 1350 (1830) 1350 (1830)
1 1/8" (28.6mm) 1445 (1959) 1535 (2081) 1550 (2101) 1900 (2576) 1900 (2576)

Contact Us

Black Gold Pump & Supply, Inc.
2459 Lewis Avenue Signal Hill, CA 90755

Phone: 562-595-4475
Fax: 562-595-9035

 

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