The reduction sleeve is designed to fit with TAIPU tapping arms, they are specially suited for high precision clamping of DIN ISO JIS ANSI taps. The special design of the reduction sleeves allows an efficient use of electric tapping arm to widen the tapping capacity. DCP005Φ48-31 changes the diameter of chucks to tap from M30 to M5 with diameter 31 mm on machine with spindle diameter 48mm. This range is widely demanded in industries for picking small and tiny materials.