4-1/4-Inch Laser Welded Dry Diamond Core Drill Bit Hole Saw for Concrete and Asphalt, 4-1/4" Diameter x 11" Length
- ...s of drill only(suitable for wood, steel , etc.), hammer only(suitable for concrete or brick) ,hammer drill(suitable for heavy duty work) function and chisel position adjustment adapt to variety of work scenarios which are easy to switch. You can quickly switch the functions by two different switches. Compared with single function switch design, double function switch design can extend 100% service life..
- ✔️【HUMANIZATION DESIGN】 Safety clutch protection designed to guarantee your wrist When the hammer is subjected to high torque force. 360° adjustable handle applies to different work and the upgraded double layer anti-vibration system with PU soft grip designed to decrease the vibration effectively, and reduce fatigue. Aluminum alloy housing design makes the rotary hammer very sturdy and durable, even if the machine accidentally fell on the ground it will not be damaged..
- ✔️【DRILLING CAPACITY】 The max drilling diameter for concrete is 1-1/4 inch and for metal is 1/2 inch. ENRH3201 rotary hammer drill can reach 820 r/min no-load speed and 4200bpm max impact frequency. The SDS-Plus chuck allows for easy and secure bit changes to keep your project goin....