All-Pro Fasteners, Inc. Bolt Torque Chart printable pdf download

All-Pro Fasteners, Inc. Bolt Torque Chart

Bolt Torque Chart

Grade 8 Bolt Drill & Torque Chart in foot pounds

Size Threads/Inch

Tap Drill Size

Decimal Equivalent

Torque - FT LBS. Dry

Torque - FT LBS. Lubricated

1/4" - 20

.201

1/4" - 28

.213

5/16" - 24

.257

5/16" - 24

.272

3/8" - 16

5/16

.3125

3/8" - 24

.332

7/16" - 14

.368

7/16" - 20

25/64

.3906

1/2" - 13

27/64

.4219

110

1/2" - 20

29/64

.4531

120

9/16" - 12

31/64

.4844

150

110

9/16" - 18

33/64

.5156

170

130

5/8" - 11

17/32

.5312

220

170

5/8" - 18

37/64

.5781

240

180

3/4" - 10

21/32

.6562

380

280

3/4" - 16

11/16

.6875

420

320

7/8" - 9

49/64

.7656

600

460

7/8" - 14

13/16

.8125

660

500

1" - 8

7/8

.875

900

680

1" - 12

59/64

.9219

1000

740

1" - 14

15/16

.9375

1020

760

Lubricated Includes: Lubricants - Plating - Hardened Washers

Tap Drills: Allow Approximately 75% Full Thread

This technical information is supplied as a courtesy. All-Pro Fasteners, Inc. neither employs nor maintains an engineering or

technical staff, and All-Pro is merely supplying certain manufacturing, technical, and/or design specifications and data received by

All-Pro Fasteners, Inc. from the products’ manufacturer or taken from consensus standards, and is in no manner originated,

developed, created, enhanced, altered, or approved by All-Pro Fasteners, Inc.

All-Pro Fasteners, Inc. Bolt Torque Chart

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