DTH bit

Middle Pressure DTH Drill Bits , Semi-Ballistic Insert Convex Face SD8 Hammer Bits

Type: DHD/COP/QL Series bit
Machine Type: Drilling Tool
Diameter: 57mm-660mm
Color: Golden or customize
Product description: Middle Pressure DTH Drill Bits , Semi-Ballistic Insert Convex Face SD8 Hammer Bits is our main product.
INQUIRY Email Whatsapp

Middle Pressure DTH Drill Bits , Semi-Ballistic Insert Convex Face SD8 Hammer Bits

DTH bit is our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm

3.High air pressure hole Dia.:85-305mm

4.Face type:drop center/concave/convex/double gauge/flat

5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.

All the products are manufactured as per the international standard and well compatible with the brand of Atlas Copco,
Ingersoll-Rand, Sandvik etc.

Specification of dth hammer button bits		Diameter: (mm)
	1-2 inch low air pressure DTH BITS Shank: BR1, BR2, DHD2.5	57/64/70/76/80/82/90
	3 inch high Air pressure DTH bits Shank: BR3,DHD3.5,COP34,Cop32,QL30,M30,IR3.5	85 / 90 / 95 / 100 / 105/110
	4 inch high Air pressure DTH bits Shank:DHD340,COP44,M40,SD4,QL40	105 / 110 / 115 / 120 / 127/130
	5 inch high Air pressure DTH bits Shank:DHD350,COP54,M50,SD5,QL50	133 / 140 / 146 / 152 / 165
	6 inch high Air pressure DTH bits Shank:DHD360,M60,SD6,QL60,COP64	152 / 165 / 178 / 190 / 203
	8 inch high Air pressure DTH bits Shank:DHD380,COP84,M80,SD8,QL80	195 / 203 / 216 / 254 / 305
	10 inch high Air pressure DTH bits Shank:SD10, NUMA100	254/270/279/295/305
	12 inch high Air pressure DTH bits Shank:SD12,DHD1120,NUMA120,NUMA125	305/330/343/356/368/381
	15 inch high Air pressure DTH bits Shank: DHD1150, SD15,NUMA125	381/391/435/457/483/503
	Over 20 inch high Air Pressure DTH bits Shank: NUMA180,NUMA240,	483/508/560/578/610/660