• Model NO.：12" Hammer DHD 1120 NUMA 120, NUMA 125
• Application：Deep Hole Drilling
• Color：Red or as Your Request
• Transport Package：Pallet Packaging
• Specification：SGS, CE, ISO9001
• Trademark：PRODRILL
• Origin：China
• HS Code：82071990
• Production Capacity：5000 PCS , Month

Product Name:DTH drill bitsDescription:DTH drill bits are used for blast hole drilling and water well drilling projects.
Working with DTH hammer, mainly applied in Mining,
Marble quarry or well drilling and other construction projects.Material:High quality carbide + High quality carbon steelMOQ:5pcsCompatibility Series:COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc 
2.       Technical SpecificationSpecification:Diameter: (mm)Weight: (kg)Low air pressure DTH bits CIR type68 ~ 2002.6 ~ 48Middle air pressure BR & COP type76 ~ 1103.8 ~ 153 inch high Air pressure DTH bits85 / 90 / 95 / 100 / 1054.2 ~ 5.54 inch high Air pressure DTH bits105 / 110 / 115 / 120 / 1279 ~ 125 inch high Air pressure DTH bits133 / 140 / 146 / 152 / 16515 ~ 18.56 inch high Air pressure DTH bits152 / 165 / 178 / 190 / 20326 ~ 368 inch high Air pressure DTH bits195 / 203 / 216 / 254 / 30533 ~ 95 Specification:Weight (kg)External Diameter (mm)Connection threadHole rang (mm)Impact rateRecommended rotation speed3 inch DTH hammer  
COP34/QL30 etc24.581API 2 3/8" Reg90~11028Hz (at 17 bar)28 r/min4 inch DTH hammer
COP44/DHD340 etc39.299API 2 3/8" Reg110~15027Hz (at 17 bar)25~40 r/min5 inch DTH hammer
COP54/Mission50 etc71.5125API 2 3/8" or API 3 1/2" Reg135~16525Hz (at 17 bar)20~30 r/min6 inch DTH hammer
COP64/QL60 etc98142API 3 1/2" Reg152~21623Hz (at 17 bar)15~25 r/min8 inch DTH hammer
COP84/SD8 etc188180API 4 1/2" Reg203~30520Hz (at 17 bar)15~ 

How to order?
Shank Type + Top Sub Thread + (With/Without Valve, if this parameter is optional)
3", 4", 5", 6", 7", 8", etc.. you can choose bits equiped with related hammer)

Ps.: Other rock drill: besides Down-The-Hole tools, we also supply following rock drilling tools:
Construction & Mining & Rock Drill Tools:
A. DTH Hammer and Bit (drill hole dia.: 76 ~ 381mm), Overburden Drilling System;
B. Top Hammer (drill hole dia.: 33 ~ 152mm):
Threaded Tools (Button Bits, Rod, Coupling, Shank Adaptor): (R25/28/32/38, T38/45/51, ST58)
C. High Range Soundless Cracking Agent (dia. 40 ~ 50mm): break rock or reinforced concrete with silent.

2. Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory
 
3. About Us:
1.    Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
2.    We have advanced technology and equipment.
3.    Our technician has more than 13 year's professional working experience.
4.    Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.

4. Welcome your question and inquiry, Contact: Danny Wu