Makita HR3540C 35mm SDS Max Rotary Hammer Drill with AVT, complete with side handle, depth stop, bit grease and carrying case The Makita HR3540C SDS Max hammer drill has been developed based on the HR3200C series. This model has the ability to drill up to 35mm in concrete and features AVT (Anti-Vibration Technology), which protects the operator from physical injury and the machine from mechanical and electrical overload. The 3 mode operation: Rotation only / Rotation with hammering & Hammering only allows for maximum versatility in a range of applications. Features: Electronic-power-control for greater comfort Anti-vibration system - Reduced vibration for less operator fatigue Torque-limiter for additional operator protection Variable speed trigger Constant speed under load Triple operation mode: Rotary only, hammer only and rotary hammer for maximum versatility Double insulated Soft start Comes with: Side handle Depth stop Bit grease Carrying case Specification: Impact energy: 5.6 J Max in concrete: 35 mm 3-function H, R, R/H: ✓ Max core diameter (TCT): 90 mm Impacts rate: 1650 - 3300 bpm Vibration K factor: 1.5 m/sec² Input wattage: 850 w Net weight: 5.2 - 5.3 kg No Load Speed: 315 - 630 rpm Vibration: Drilling: 2.5 m/sec² Vibration: Chiselling: 12.5 m/sec² Vibration: Hammer Drilling: 18 m/sec² Noise sound pressure: 93 dB(A) Noise K factor: 3 dB(A) Noise sound power: 104 dB(A)