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CARRIAGE BOLTS

Typically used to fasten wood-to-wood or wood-to-metal products. The domed head makes the fastener somewhat tamperproof and the square neck locks into a square hole--preventing the fastener from turning.

CARRIAGE BOLT DIMENSIONS

Bolt Diameter
Body Diameter
Bolt Diameter
Head Diameter
Head Diameter
Head Height
Head Height
Square Width
Square Width
Square Depth
Square Width
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
1⁄2
0.515
0.483
1.094
1.032
0.27
0.25
0.515
0.492
0.281
0.25
5⁄8
0.642
0.605
1.344
1.219
0.344
0.313
0.642
0.616
0.344
0.313
3⁄4
0.768
0.729
1.594
1.469
0.406
0.375
0.768
0.741
0.406
0.375
7⁄8
0.895
0.852
1.844
1.719
0.469
0.438
0.895
0.865
0.469
0.438
1
1.022
0.976
2.094
1.969
0.531
0.5
1.022
0.99
0.531
0.5
11⁄4*
1.277
2.85
0.531
0.5
1.25
0.625
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