Carriage Bolts Specification | Carriage Bolts - Carriage Bolts Techinical Information | Carriage Bolts Dimensions
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Carriage Bolts

Carriage Bolts

Carriage bolts (round head with square neck) are commonly used in wood connections. Fasteners NutsThe square neck under the round head will seat into the hole in the wood to prevent the head from turning. Because they are used with wood, carriage bolts are rarely high strength and virtually always supplied in a standard ASTM A307 specification.

Manufacturing

Ramesh Steel Corporation manufactures carriage bolts from 1/2" diameter through 1-1/4" diameter in most ASTM, and SAE specifications.

Standard Thread Length

Bolt lengths ≤ 6": Thread length = (2 X diameter) + 1/4"
Bolt lengths > 6": Thread length = (2 X diameter) + 1/2"

Note: Most stock carriage bolts have extended thread length.

Stock

Diameters: 3/8" - 3/4"
Lengths: 18" maximum
Origin: Import
Finish: Black and hot-dip galvanized

Dimensions

Bolt Diameter D C H P F
Body Diameter Head
Diameter
Head
Height
Square
Width
Square
Depth
Max Min Max Min Max Min Max Min Max Min
3/8 0.388 0.360 0.844 0.782 0.208 0.188 0.388 0.368 0.219 0.188
1/2 0.515 0.483 1.094 1.032 0.270 0.250 0.515 0.492 0.281 0.250
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 0.500 1.022 0.990 0.531 0.500
1-1/4* 1.277   2.850   0.531 0.500 1.250   0.625  

*Dimensions per ASME B18.5 cover diameters up to 1". Bolts over 1" use custom head dimensions

For quick Quote on Carriage Bolts, please contact our Sales team.

 

Email : sales@rameshgroup.com, info@rameshgroup.com, rameshsteel44@yahoo.co.in
 

 

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