Feature: 1. DURABLE MATERIAL: Reversible tap chuck is made of excellent high speed steel material, possess better wear resistance, more stable performance, hardening with high concentricity, improve hardness and good comprehensive mechanical properties 2. WITH ACCESSORIES: Reversible tap chuck set include 2MT and 3MT shank with 2 rubber flexible chuck with overload protection and adjustable torsion 3. REVERSING DEVICE: Tap chuck automatically reverse without stopping the spindle for faster tool withdrawal speed. Prevent damage and tap breakage; High reverse ratio increase productivity 4. APPLICABLE SCENARIO: Threaded mounting is designed to fit tapping machine or fixed threaded mounting spindle; For drill presses and manually operated machines with rotating spindles 5. ACCURATE MACHINING: Self reversing tapping head adopt overall molding, possess good structural rigidity, the use of pressure dispersed in the cage accurate needle roller, suitable for large cutting amount processing Specification: Item Type: Reversible Tap Chuck Model: J4612 Material: High speed steel. Package List: 1 x Reversible Tapping Head2 x Connecting Rods2 x Flexible Clamps2 x Special Wrenches1 x Hex Wrench5 x Other Accessories1 x User Manual