Features Good Clamping Force: This drill collet has a good clamping force, the clamping is firm and not easy to fall off, and the precision is high. This kind of tapping chuck can maintain a long service life. Safe and Reliable: This collet chuck can quickly and safely replace the tapping chuck, used to connect the drill chuck adapter, with good reliability. Wide Application: Tapping chucks are widely used in tapping machines, drilling machines, milling machines, boring machines, electric tools, pneumatic tools and other equipment with reversible spindles. Sturdy and Durable: The torque tapping chuck is made of high-quality materials, which is strong and not easy to wear, prevents the tap from breaking, and is easy to use in real life. Easy Installation: This collet is easy and simple to install, and it can directly replace the old or damaged ones, without the need for particularly complicated operations, effectively saving time and effort. Specification: Item Type: Tapping chuck  Pattern(Optional): M6 Suitable Screw Tap Size: (Shank Diameter x Square Bottom): Approx. 6 x 4.5mm / 0.24 x 0.18in M8 Suitable Screw Tap Size: (Shank Diameter x Square Bottom) : Approx. 6.2 x 5mm / 0.24 x 0.2in M10 Suitable Screw Tap Size: (Shank Diameter x Square Bottom): Approx. 7 x 5.5mm / 0.28 x 0.22in M12 Suitable Screw Tap Size: (Shank Diameter x Square Bottom): Approx. 8.5 x 6.5mm / 0.33 x 0.26in Package List: 1 x Tapping Chuck  Package List 1 x Tapping Chuck