Drill Bits 3” IR3.5/ 4” Halco 4 Bits

Bit Diameter Range: 85 mm to 130 mm

Shank Compatibility: Ingersoll Rand (IR) 3.5 and Halco Mach 4

Face Designs: Concave, Convex, Flat Face

Insert Type: High-grade Tungsten Carbide buttons (Spherical or Ballistic profiles)