• Used to determining thread per inch/cm on screws, bolts or in a tapped holes.
• Combination thread pitch gauge, includes 28 standard and 24 metric thread gauges
• Both SAE and Metric conveniently divided in one metal holder, stop hunting for the correct one.
• Quality construction for a long life and accurate readings. Common thread angle, 60 deg.
• SAE gauge: 4 to 62 threads per inch
• Metric gauge: 0.25 to 6.0 threads per cm
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