DTH Bit DHD3.5 -90 mmProduct Item:DHD Shank DTH Drill Bit Name: DHD Cemented Carbide DTH Drill Bit Shank Type: DHD 3.5, DHD340A, DHD350R, DHD360, DHD380, Bit Diameter: 85mm-305mm Bit Face: Flat Face, Convex Face, Concave Face, Drop Center, Double Gauge. Category:DHD Shank DTH Bit Sent E-mail Inquiry