Lag bolt diameter is measured on the outside of the threads.

Lag bolt diameter

Lag bolts, Hex head, Zinc plated steel, 5/16" x 3-1/2"


Matching Products

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Prod. # Description Buy
USS flat washers, Zinc plated steel, 5/16"
USS pattern is the most common type of flat washer.
$0.13 / ea
$6.43 / 100
$51.40 / 1000

Related Products

Lag shield

Lag shields, Die cast zinc alloy

A medium duty anchor for use in concrete, brick, or a mortar joint. Used with a lag bolt.