Lag Bolts | Hex Lag Screws | Stainless Steel | Tri Suppli

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LAG BOLTS

Hex lag screws are large wood screws. Although the term “lag bolt” is often used to describe this product, technically they are a screw since lags are installed in wood by rotating the six-sided head. See specification chart below. Request A Quote.

Hex Lag Bolts SPECIFICATIONS
Hex Lag Screws

Lag Bolts / Lag Screws Specification Picture


Bolt Diameter

D

F

H

Threads Per Inch

Thread Dimension

Body Diameter

Width Across Flats

Head Height

Max

Min

Pitch

Flat At Root

Depth of Thread

Root Diameter

3/8

0.388

0.360

9/16

1/4

7

0.143

0.062

0.055

0.265

1/2

0.515

0.482

3/4

11/32

6

0.167

0.072

0.064

0.371

5/8

0.642

0.605

15/16

27/64

5

0.200

0.086

0.077

0.471

3/4

0.768

0.729

1-1/8

1/2

4-1/2

0.222

0.096

0.085

0.579

7/8

0.895

0.852

1-5/16

37/64

4

0.250

0.108

0.096

0.683

1

1.022

0.976

1-1/2

43/64

3-1/2

0.286

0.123

0.110

0.780

1-1/8

1.149

1.098

1-11/16

3/4

3-1/4

0.308

0.133

0.119

0.887

1-1/4

1.277

1.223

1-7/8

27/32

3-1/4

0.308

0.133

0.119

1.012

1-3/8

1.404

1.346

2-1/16

29/32

3

0.333

0.143

0.128

1.119

1-1/2

1.531

1.469

2-1/4

1

3

0.333

0.143

0.128

1.244

Dimensional specifications per ASME B18.2.1


STANDARD THREAD LENGTH

The minimum thread length shall be equal to half the nominal screw length plus 1/2" or 5", whichever is less.

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All the information provided in this section has been assembled with concern for accuracy. It is intended for advisory purposes only and use of this information is completely voluntary

Disclaimer

All the information provided in this section has been assembled with concern for accuracy. It is intended for advisory purposes only and use of this information is completely voluntary.