DTH bit

China supplier Coal Ore Mining bit 76mm 2 inch Middle air pressure DTH hammer drill bit

Type: DHD/COP/QL Series bit
Machine Type: Drilling Tool
Diameter: 57mm-660mm
Color: Golden or customize
Product description: China supplier Coal Ore Mining bit 76mm 2 inch Middle air pressure DTH hammer drill bit
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China supplier Coal Ore Mining bit 76mm 2 inch Middle air pressure DTH hammer drill bit

Our hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.

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