ES - 100.1 TORQUE RATINGS FOR LUBRICATED OR PLATED FASTENERS
TORQUE VALUES TO BE WITHIN ± 5%
ALL FIGURES IN FOOT POUND
NOM. DIA. IN. GRADE 2 GRADE 5 GRADE 8
1/4 5 - * 3 7 10
5/16 9 - * 5 14 20
3/8 16 - * 9 25 35
7/16 25 - * 15 40 55
1/2 40 - * 20 60 85
9/16 55 - * 30 85 120
5/8 75 - * 45 120 170
3/4 135 - * 80 210 300
7/8 130 340 485
1 200 515 720
1-1/8 280 635 1,030
1-1/4 400 890 1,450
1-3/8 520 1,175 1,900
1-1/2 695 1,560 2,530
1-3/4 1,100 1,825 3,980
2 1,650 2,750 6,000
2-1/4 2,400 4,000 8,760
2-1/2 3,300 5,500 12,000
The above information was compiled for U.N.C. Threaded Fasteners.
1
Grade 2 3 Gade 8
2 Grade 5
NOTE: If threads are not lubricated prior to assembly or are not plated use Torque
Spec. ES-100.0
* = Torque Values for Bolts and Screws longer than 6”
Fasteners as supplied by the vendor are considered not lubricated.
355
REVISED:
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