4 inch high Air pressure DHT bits

Name: DTH(down the hole) drill bit

Model Number: SD/BR/COP/DHD/QL/Misson

Hammer Size: low/middle/high air pressure

Face design: convace; flat; convex

Category：DTH Bit

Description

DTH Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
Our bits are interchangeable with Atlas Copco’s COP32 34 44 54 64 84, Ingersoll-Rand ‘s DHD3.5,DHD3.5HD, DHD 340A , DHD350R, DHD 360, DHD380 QL40, QL50 , QL60, QL80.NUMA100, NUMA120, MISSION60,ects

Whatsapp/Phone:+86 18186993613

E-mail: sales@superdrill.com.cn

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 DHT bits Shank: BR3,DHD3.5,COP34,COP32,QL30,M30,IR3.5	85 / 90 / 95 / 100 / 105/110
	4 inch high Air pressure DHT bits Shank:DHD340,COP44,M40,SD4,QL40	105 / 110 / 115 / 120 / 127/130
	5 inch high Air pressure DHT bits Shank:DHD350,COP54,M50,SD5,QL50	133 / 140 / 146 / 152 / 165
	6 inch high Air pressure DHT bits Shank:DHD360,M60,SD6,QL60,COP64	152 / 165 / 178 / 190 / 203
	8 inch high Air pressure DHT 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