Proudly serving you since 1952.
  • Bolt Gauge (1) - Picture is front and back view

    This is a very handy tool box item or gift. Excellent for sizing bolts, screws, nuts (USS, SAE and Metric) and twist drills. Size bolt diameter by pushing bolt through sizing holes. Gauges hex nuts  and washers (USS & SAE). Gauges metric hex nuts and washers by holding under metric holes. Measure US and Metric thread pitch, special notch gauges, flat headed metal and wood screws.
    • Ruler marked with inches and millimeters for worldwide use
    • Measures fractional bolts from size #4 to 1" up to 7" long
    • Made of very durable 1/4" thick hard plastic
    • Resists water, alcohol, oil and grease
    •  Reliable and accurate being made of sturdy and lightweight plastic
    • Measures diameter, thread pitch & Length if nuts, bolts & screws
    • Measures metric bolts & Screws from size 3mm to 22mm
    • Fits in shirt pocket