Ql60-172mm DTH Bit for Drilling

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA 
for increased durability and wear characteristics,  and YK 05 tungsten 
carbide as same grade as internationally well-known brand 
(2) Apply "hot (thermal) -insertion" processing procedure to 
insert the buttons as same as internationally well-known brand, 
(3) Entire CNC processing procedure ensure the quality consistency and reliable. 
(4) Military grade requirements of heat-treatment guarantee durability,
Specific heat treatment standards and special "stress relief" processes ensure 
consistent performance.
(5) Designed for maximum performance and hole cleaning ability and high penetration rate. 

Pro Drill DTH bits are interchangeable with Atlas Copco's COP32 34 44 54 64 84, 
Ingersoll-Rand 's DHD3.5,DHD3.5HD, DHD 340A , DHD350R, DHD 360, DHD380 
QL40, QL50 , QL60, QL80.  COP32,34, Mission 8,10,SD8,,10, Mincon,Mach, Numa 
 
Non shank and Carbide broken,
High fast penetration rate
Maximum hole deviation control,
 
Soft rock like sand stone, drilling life 1500 meter,
Hard rock like granite, drilling life 1000 meter,
High abrarsive like lime stone drilling life 600meter
 
Dome buttons as gauge buttons of DTH bits suitable  for very abrasive and very hard formations,
Parabolic ( semi-ballistic buttons ) as gauge buttons and front buttons of DTH bits , suitable for medium abrasive and hard formation,
Ballistic button as front buttons of DTH bits, suitable for medium abrasive and medium hard formation,
ProDrill offers a comprehensive range of high performance DTH hammers, DTH hammer bits, and accessories for use in the mining, construction, geothermal, and rotary drilling industries.
DTH hammers are available in sizes from 2" to 20" from the industries leading manufacturer's including Mincon®, Sandvik®, Drill King®, Rockmore®, and more.
 
DTH hammer bits are available in sizes from 2" to 36", with all shanks, multiple head/face designs, and with a variety of tungsten carbide button styles to suit a wide variety of drilling conditions.
DTH accessories, including hammer oil andlube, grinding and sharpening tools, adapter, subs, shock absorbers, and more, are available to complement our DTH product offering.
 
Prodrilling factory is equiped with elecro-hydraulic forging machine, metal processing line,  heat treatment line, numerical control machines, which compose a complete production liine, and CNC machines are largely used in the whole manufacturiing process to insure every critical control point of quality.
 

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
 
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.