Duo & Quadro Cutting Head Spline Drive System
For Large Rotary Hammer Carbide Tipped | NEW improved head geometry for more aggressive drilling
Duo Cutting Head:
• Symmetrical double flute design reduces vibration and heat.
• High quality tungsten carbide tips vacuum brazed with pure copper.
• Shot-peened finish.
• Made to ANSI standards
Quadro Cutting Head:
• Patented cutting head technology.
• New patented more aggressive 4-cutter head design technology.
• Less strain on user and power tool.
• More accurate holes.
• For use in concrete and hard masonry materials.
Spline Shank Rotary Hammer Carbide Drill Bits