This handy screw thread gage quickly identifies thread pitch, tap size & drill bit size for machine & wood screws, self tapping screws, bolts & common rivets & cotter pins up to 5/16" (8 mm). Made in USA.
Product Title Overall Size Model # General Tools Screw Gauge 5" x 3"714
For California Residents:
WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood