Thread gauge 524701610

Fowler Acme Metric Thread Gage 52-470-161 Description • This gage is a standard for grinding & setting tools when cutting Acme threads. • 30 degree pitch. Range of pitch: 3-10 (3, 4, 5, 6, 7, 8, 9, 10) • Acme threads have the same depth as square threads, but the sides of the thread are at an inclination of 14-1⁄2 degrees (29 degrees included angle or 30 degrees for metric). • Angles & edges hardened and ground.