Scan QR code to
browse in phone
XIAMEN BESTLINK FACTORY CO., LTD.

China 5th

High Pressure Dth Button Bit / Tungsten Carbide Dth Mining Rock Drilling Bits for Dth Hammer

  • Type:
  • Color:
  • Material:
  • Material Origin:
  • SupplyAbility: 10000pcs/month
  • Port: Xiamen
  • Min. Order: 1 (Pieces)
  • Packaging Detail: By plywood
  • Delivery Detail: Within 30 days after receiving your advance payment
  • Shipment Terms: FOB,CFR,CIF
  • Payment Terms: T/T,L/C,Western Union,Money Gram
Richard Chen (CEO) Telephone:86-592-5601702 Add to Basket

Product Description:

1, valveless air distribution. More reliable.
2, simple design of the piston, long life.
3, More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4, fewer internal parts, simple structure, longer life, less failure and easier to maintain becayse all the parts are heat treated.
5, It is easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.


Available series of DTH hammer:
1) high pressure
SD series hammer: SD 5, SD 6, SD 8 and SD 12 DTH Hammers.
QL series hammer: QL 50, QL 60, QL 80 DTH Hammers.
HD series hammers: DHD 3.5, DHD 340. DHD 350, DHD 360, DHD380 DTH Hammers.

Mission series hammers: M30, M40, M50, M60, M80 DTH Hammers.
Cop series hammers: Cop 32/34, Cop 42/44, Cop 54/64 DTH Hammers.
2) low air pressure: BR1, BR2, CIR 70, CIR 90, J60, J80, J100, J150, etc.
Product Name: CIR90 down the hole DTH drill hammer
Description: CIR90 down the hole DTH drill hammer were used for blast hole drilling
and water well drilling project.
Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,
Marble quarry or well drilling and other construction projects.
Quality level: 95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand
MOQ: No requirement for testing and trial order
Series: COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc

Specification: Weight (kg) External Diameter (mm) Connection thread Hole rang (mm) Impact rate Recommended rotation speed
Low air pressure DTH hammer CIR type 5 ~22 50~180 CIR** 55~200 820 rpm
Middle air pressure BR & COP type 10~30 70~110
85~115

3 inch DTH hammer
COP34/QL30 etc
24.5 81 API 2 3/8" Reg 90~110 28Hz (at 17 bar) 28 r/min
4 inch DTH hammer
COP44/DHD340 etc
39.2 99 API 2 3/8" Reg 110~150 27Hz (at 17 bar) 25~40 r/min
5 inch DTH hammer
COP54/Mission50 etc
71.5 125 API 2 3/8" or API 3 1/2" Reg 135~165 25Hz (at 17 bar) 20~30 r/min
6 inch DTH hammer
COP64/QL60 etc
98 142 API 3 1/2" Reg 152~216 23Hz (at 17 bar) 15~25 r/min
8 inch DTH hammer
COP84/SD8 etc
188 180 API 4 1/2" Reg 203~305 20Hz (at 17 bar) 15~20 r/min

Contact Details

Richard Chen
  • Telephone: 86-592-5601702
  • Fax No: 86-592-5601703
  • Mobile: 86-13600966313
  • Company Address
    Unit 8001 ,Part A,Minnan culture town,No.350 Changle road,Huli,Xiamen,China.

Send a message to this supplier

  • *From:
  • *Message:
Copyright © 2003-2020 StoneContact.com All rights reserved