The HiKOKI DH28PEC has the highest drilling speed in its class & is perfect for a wide range of applications and can drill 28mm in concrete This SDS Plus rotary hammer is for serious industrial use and for the professional user. It has 3 different mode actions: hammer drilling, drilling only & hammering only. With constant speed control to minimise variation in rotation speed & impact rate, the DH28PEC HiKOKI SDS+ 900W 3 mode rotary hammer drill has the highest drilling speed in its class. Features: Concrete capacity 28mm High speed performance AC Brushless motor for higher performance Auto stop function & Constant Speed control Variable speed modes: Normal / Low 2 Speed Kick back control (RFC) Shock absorbing handle reduced vibration by 25% Drilling anchor holes, concrete, tiles, steel or wood Tightening machine screw, wood screws Light-duty chiselling of concrete, groove digging & edging Specification: Bit Shank: SDS Plus Input Power: 900W Capacity Concrete - Drill Bit: 28mm Steel: 13mm Wood: 32mm No Load Speed: 0 - 950 RPM Full Load Impact: 0 - 4,300 RPM Joules EPTA-Procedure: 3.2j Conventional Value: 3.4j Length: 355mm Weight: 3kg