Gold Member Since 2014
Audited Supplier
Putian Qideli Drilling Tools Co., Ltd.

DTH Bits, Down The Hole Drill Bits, Rock Bits manufacturer / supplier in China, offering DTH Bit for Low Air Pressure Hammer (100mm), 1.5 Inch Cross Bit for Rock Drill Working, Button Bit, Top Hammer, Chisel and Cross Bit for Mining, Well Drilling and so on.

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Supplier Homepage Product LOW AIR PRESSURE DTH BIT DTH Bit for Low Air Pressure Hammer (100mm)

DTH Bit for Low Air Pressure Hammer (100mm)

Purchase Qty.:
10-99 100+
FOB Unit Price: US $100 US $55
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $100
100+ US $55
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Production Capacity: 50000PS/Year
Transport Package: Wooden
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 90mm 100mm 110mm 120mm 130mm 140mm 150mm 170mm
  • Surface Treatment: Nitriding Treatment
  • Material: High-Quality Hard Alloy, Best Quality Steel
  • Trademark: Qideli
  • Origin: Fujian China
  • Certification: SGS, CE
  • Manufacturing Process: Forging
  • CIR Series Low Air Pressure DTH Bits: 4 Inch
  • Specification: ISO9001
  • HS Code: 82071990
Product Description
We can design and manufacture according to customer's requirement of the Bit Dia\No. Air holes\carbide button shape and the face shape. High air pressure and low air pressure.
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide

All products are compatible with many products manufactured by Sandvik, Atlas Copco, etc, all our products are widely used in mining, tunneling, quarrying, construction, and civil engineering project.

DTH bits
1.manufacture as your requirement
2.bit diameter, face shape
3.carbide button shape
4.number of air hole
Bit face shape selection:
1. Drop Center Bit
For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.
2. Concave Face
The all-round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
3. Convex Face
For  high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control.
4. Double Gauge Face
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.
5. Flat Face Bit
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.
Carbife button shape selection:
1. Domed/Round Button
Domed/Round Buttons are usually used as gauge buttons of DTH Bits, suitable for every abrasive and very hard formations.
2. Parabolic/Semi-Ballistic Buttons
Parabolic Buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.
3. Ballistic Button
Ballistic Buttons are usually used as front buttons of DTH Bits, suitable for medium abrasive and mesium hard formations. They can also be used as gauge buttons if the rock is soft.
4. Sharp Button
Sharp Buttons are usually used as front buttons of DTH Bits for soft formations where fast penetration rates are possible.
5. Flat Button
Flat buttons are usually used as protection buttons to reduce wear on rubbing surfaces of dth bits.
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