The Milwaukee® Premium 4" Diamond Core Bit offers exceptional drilling life and speed in cured concrete. Designed for premium performance, the bit features segments that are laser-welded to the 14" tube to withstand hard aggregate and medium steel reinforcement. Use the bit's threaded back to attach it directly to your diamond drill motor.
Available in diameters 2" to 14" with a thread size of 1-1/4"-7, Milwaukee Premium Diamond Core Bits conform to Diamond Core Drilling Manufacturers Association standards.
- Longer life: Designed for exceptional endurance with smooth, steady effort
- Direct attachment: The bit's threaded back attaches directly to the Diamond Drill Motor
- Versatile: Effectively cores poured, steel-reinforced and pre-stressed concrete, and asphalt
- Commercial grade: Conforms to Diamond Core Drilling Manufacturers Association standards
- 14" Drilling Depth