Carriage bolt 1/4x20 shop knob

Published Aug 15, 2026 · Finished

Description

Creating knobs for the shop in 3 sizes. Used for hold downs on the CNC and other jigs. 1/2" birch ply was used but solid stock will also work well.

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Specs

Machine: X-Carve
Material: Birch Plywood

Notes

Make sure to measure the thickness of the stock and change the settings accordingly. Also measure the dimensions of the nut inserts. I used 1/4-20 nuts and bolts but you can use whatever size you desire. Just make the dimensional changes to the plan.