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DTH bit

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