Table 3. Standard SAE Torque Chart (Fine Threads)

0022

TM 1-4920-924-13&P

AVIATION SHOP EQUIPMENT CONTACT MAINTENANCE (AV SECM) SYSTEM TORQUE LIMITS -

(CONTINUED)

Standard Steel Bolts

Torque Speciications

Standard Dry Torque in Foot-Pounds

SAE

Grade 0-1-2

Grade 3

Grade 5

Grade 6

Grade 7

Grade 8

Fastner Coarse

74,000 psi

100,000 psi 120,000 psi 133,000 psi 133,000 psi 150,000 psi

Size

Threads

Med.

(in)

(ths/in.) Low Carbon

Carbon

Steel

Alloy Steel

Temp.

Heat T.

Steel

7

480

872

794

1304

1325

1430

1

1/8

7

375

1211

1105

1815

1825

1975

1

1/4

6

900

1624

1500

2434

2500

2650

1

3/8

6

1100

1943

1775

2913

3000

3200

1

1/2

5.5

1470

2660

2425

3985

4000

4400

1

5/8

5

1900

3463

3150

5189

5300

5650

1

3/4

5

2360

4695

4200

6980

7000

7600

1

7/8

2

4.5

2750

5427

4550

7491

7500

8200

Table 3. Standard SAE Torque Chart (Fine Threads)

Standard steel Bolts

Torque Speciications

Standard Dry Torque in Foot-Pounds

SAE 150,000

SAE 133,000

SAE Grade 5

psi Med.

120,000 psi

SAE Grade 2

Size (In. - # of

Carbon Alloy

74,000 psi Low Med. Carbon

threads)

Steel

Heat T. Steel

Carbon Steel

6

10

12

14

1/4-28 (NF)

12

19

24

29

5/16-24 (NF)

22

35

45

50

3/8-24 (NF)

55

34

70

80

7/16-20 (NF)

52

90

100

120

1/2-20 (NF)

71

120

150

170

9/16-18 (NF)

115

180

210

240

5/8-18 (NF)

180

300

360

420

3/4-16 (NF)

230

470

580

660

7/8-14 (NF)

350

710

860

990

1-12 (NF)

END OF WORK PACKAGE

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