Features 1、Good clamping strength, high accuracy and long service life 2、The tapping collet can connect to drill chuck rod, safe and fast to change tapping chuck 3、The torsion-type tapping chuck can prevent tap from breaking 4、Available in four styles for choice: M6, M8, M10, M12 5、Widely used in tapping machines, drilling machines, milling machines, boring machines, power tools, pneumatic tools and other equipment with reversible spindles Specification Item Type: Tapping Collet M6 Suitable Tap Size Shank Diameter x Square Head: 6.3x5.0mm M8 Suitable Tap Size Shank Diameter x Square Head: 6.3x5.0mm M10 Suitable Tap Size Shank Diameter x Square Head: 8.0x6.3mm M12 Suitable Tap Size Shank Diameter x Square Head: 9.0x7.1mm Optional Style: M6, M8, M10, M12 Package List 1 x Tapping Collet