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Special Steel Dth Hammer Button Bits , HD85A - 203mm Pneumatic Drill Bits

Putian Qideli Drilling Tools Co., Ltd.
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Special Steel Dth Hammer Button Bits , HD85A - 203mm Pneumatic Drill Bits

Brand Name : QIDELI
Model Number : HD85A DHD380
Certification : SGS, ISO: 9001
Place of Origin : CHINA
MOQ : 1 Piece
Price : Negotiation
Payment Terms : L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability : 500PCS/Months
Delivery Time : 20 dayts
Packaging Details : 500PCS/Months
Usage : Rock drill \ mining\well drilling
Model number : DHD380-203
Carbide brand : KD10
Carbide type : Φ18X18 Φ16X6
Face type : Concave face
Color : black,yellow,croci,golden,red
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Water well drill bits without foot vlave type HD85A-203mm , Pneumatic drill bit

DTH(Down the Hole) hammer is used for drilling holes through a wide range of rock types, the variety of which continues to extend well beyond the original conception of early blast hole drilling.
Down-the-Hole refers to where the hammer action occurs when compared to drifter hammers, which hammer on top of the drill string. The DTH hammer piston always makes direct contact with the drill bit and there is generally no loss of transmitted energy as the hammer drills deeper, as is the case with drifter (top hammer) rigs.

Product specification:

QIDELI DTH Bits Specifications
Hammer SizeBits diameterShank
1"64mm-70mm2 1/2"-2 3/4"BR1
2"70mm-95mm2 3/4"-3 3/4"MACH20/BR2
3"90mm-102mm3 1/2"-4"COP32/COP34/MACH303
4"105mm-152mm4 1/8"-6"COP44/DHD340/MACH44
5"133mm-165mm5 1/4"-6 1/2"COP54/DHD350R/MACH50
6"152mm-254mm4 1/8"-10"COP64/DHD360/SD6
M60/QL60/Bulroc BR6
Metzke, Remet thread is available!
Any special size of DTH bits will be available by requests.

Bit Face Shape Selection:
Drop Center:
For High penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressure. Maximum hole deviation control.
Concave Face:
The all round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.
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.
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.
Flat Face:
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.
Pineapple Face:
The Pineapple Bit can be dressed with ballistic buttons for use in soft to medium hard formations where fractured rock can be expected, or can be supplied with spherical buttons for hard and abrasive formations.
DTH drills are classified into high-pressure down-the-hole drills and low-pressure down-the-hole drills. At present, the polycrystalline diamond downhole drill bit is better, with high strength, high hardness, strong wear resistance, impact resistance and good self-sharpening, and its wear resistance is 5-20 times higher than that of cemented carbide. You can consider ROSCHEN Diamond DTH bit, improve work efficiency, reduce consumption, reduce the time to replace the drill and get lower drilling cost!
Main dimension:

About us:
Putian Qideli drilling tools Company was founded in 2010, is specialized in the production and operation of mining drilling tools, research and development-oriented enterprises. 20 years, the production of chisel-bits, cross-bits, button bits, thread bits, PDC bits high and low air pressure DTH bits, DTH hammer, drill rods, etc, are widely used in energy, metallurgy, geology, coal, water conservancy, chemical industry and the mining, road construction, has been unanimously endorsed by the majority of users. Basing on our complete product and excellent quality, We have a certain domestic markets, also export to Russia, Japan, Southeast Asia and other regions alsowhile

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