5/8 inch
The head size is 15/16 inch for the 5/8 inch lag bolts.  We offer both plain and black oxide finishes. Be sure to call if you need a size we are not offering.
62la

Hex lag bolts, often called a lag screw, are for fastening in wood.  Blacksmiths commonly use them to attach their ironwork in homes and on buildings or structures during installation.

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Square Head Lag, 5/8 x 4 1/2 inch - Plain Finish

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Square head lag bolt with Plain Finish

*SPECIAL ORDER ITEM

Item #: SH0625LP04500