Nut and Bolt Thread Checker (Complete SAE/Inch, Metric Set and Wheel Lug/Stud)
- COMPLETE SET: Comes with standard, metric, and lug nut thread checkers for a complete set..
- SAE SWTC-S21: Inch sizes are 6-32, 6-40, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20, 9/16-12, 9/16-18, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 1-8, 1-12.
- METRIC SWTC-M21: Metric sizes are M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0, M24x3.0.
- LUG NUT SWTC-LN8: Lug nut sizes are M14x2.0, M12x1.75, M12x1.25, 7/16-20, M14x1.50, M12x1.5, 9/16-18, 1/2-20.
- STAMPED THREAD SIZES: The thread sizes are permanently stamped onto each gauge so you will always know the size of the thread. Inch gauges are clear zinc plated, metric gauges are black oxide, and lug nuts are color coded for easy identification..