Accusize Industrial Tools 4-1/2'' / M5-M12 Self-Reversing Tapping Head, 1/8'' Npt, Jt6 Jacobs Taper, 2600-4012

Comprehensive Set: Includes 2600-4012 (JSN-12) package with arbors MT3-JT6, MT4-JT6, accommodating a broad spectrum of tapping needs. In a fitted plastic case. | Wide Tapping Range: Capable of tapping in steel from #4 to 1/2" (M5-M12) and 1/8" NPT, versatile for various applications with Jacobs Taper #J-6. | Optimized Speed and Precision: Recommended maximum speed of 1000RPM with a reverse ratio of 01:01.8, designed for efficient and accurate tapping. | Engineered for Accuracy: Guarantees depth control within ±0.004" and features a body diameter of 2.95" and an overall length of 6.14". | Adaptable and Durable: Uses Collets I-421,422, with specifications for clockwise compression (0.197"), expansion (0.16), counter neutral (0.0027"), and clockwise expansion (0.551").