Numa100-305mm Concave Dome Big Hole DTH Bit

• Customization: Available
• Type: Drill Bit
• Material: T6/Yk05 Cements Carbide
• Model NO.: Numa100-305mm
• Usage: Big Holes Water Well Drilling
• Model Number: Numa100-305mm
• Machine Type: DTH Bit
• Processing: Forging, Oil Cold Process, CNC
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 82071990
• Production Capacity: 1000PCS/Month
• Package Size: 120.00cm * 60.00cm * 60.00cm
• Package Gross Weight: 115.000kg

Product Description

Numa100-400mm Concave Dome Big Hole DTH Bit


 

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®, 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.

 

 

Specification of dth hammer button bits:	Diameter: (mm)
1-2 inch low pressure DTH bits	64/70/76/80/82/90
3 inch high Air pressure DHT bits	85 / 90 / 95 / 100 / 105
4 inch high Air pressure DHT bits	105 / 110 / 115 / 120 / 127
5 inch high Air pressure DHT bits	133 / 140 / 146 / 152 / 165
6 inch high Air pressure DHT bits	152 / 165 / 178 / 190 / 203
8 inch high Air pressure DHT bits	195 / 203 / 216 / 254 / 305
10, 12 inch high Air pressure DTH bits	254/305/318/330/356/381

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.