This is a must have for any shop! This chart features most common tap sizes with the appropriate dill size to achieve approximately 75% of thread. Listed are some of the more obscure sizes used by early Harley as well as Indian motorcycles. Also included is a fraction to decimal conversion chart and a number / letter drill bit to decimal conversion chart. This is great for quick reference when making custom parts.
This chart is 18” x 24” and printed on 1/8” thick PVC. It has a UV and greasy finger resistant coating.