Features 1、Tapping collet has good clamping strength and accuracy, with good performance. 2、Safe and fast replacement of tapping chuck can be connected to drill chuck extension. 3、Simple to operate, using torsion tapping chuck to prevent tap breakage. 4、Time‑saving and labor‑saving, taps have quick‑change devices, easy to install and remove tapping chucks. 5、Using high speed steel materials, strong and durable, has a long service life. Specification Item Type: Tapping Collet Model: GT24-JIS-M27 Material: High speed steel Specification: M27 Standard: Japanese standard M27 Suitable Tap Size: Shank Diameter x Square: Approx. 20 x 15mm / 0.8 x 0.6in Uses: widely used in tapping machines, drilling machines, milling machines, boring machines, electric tools, pneumatic tools and other equipment with reversible spindles. Package List 1 x Tapping Collet