Gold Member Since 2014
Audited Supplier
Xiamen Prodrill Equipment Co., Ltd.

Tapered Button Bit, Drill Bits, Tapered Drill Bit manufacturer / supplier in China, offering Mach44, DTH Bit with Rocket Shape Face Design, Crackmax 45MPa Non Explosive Blasting Chemical, 4-8hours Splitting Stone Soundless Cracking Agent and so on.

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Supplier Homepage Product DTH Hammer Bits Others DTH Hammer Bits Mach44, DTH Bit with Rocket Shape Face Design

Mach44, DTH Bit with Rocket Shape Face Design

FOB Price: US $10 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $10/ Piece
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Production Capacity: 10000pec/Months
Transport Package: Wood Package
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: Mach44, 115mm
  • Material: Carbide
  • Brand: Prodrill
  • Machine Type: Drilling Tool
  • Color: Red, Black, Yellow, White
  • Trademark: PRODRILL
  • Origin: China
  • Type: Drill Bit
  • Usage: Rock Drilling
  • Model Number: Button Bits
  • Processing: Forging
  • Subject: Button Taper Bits for Rock Drill
  • Specification: HIGH QUALITY
  • HS Code: 82071990
Product Description

Made with high quality of raw material through special heat treatment ,especially, tungsten carbide of tapered button bits are from Boart long year,widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q7- 33- 7 22-80 , Q9 -45 -12 22- 71 for Indian quarry and Norway, Finland quarry. 

Diameter of bits from 30mm to 50mm with 4 ,6,7,11,12 degree, premium alloy tapered drill steel with Hexagonal.22mm and Hexagonal.25mm,The deliver capacity are very strong and can completely meet customer's requirements on delivery design,number of buttons is 4,5,6,7,8,9,7 buttons is very popular for hold held (short holes ) and blast drilling system. 

Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling 
Eccentric overburden drilling Equipment 
Hole opener bit 
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters 

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.

Hammer DTH1" bit2" bit3" bit4" bit5" bit6" bit8" bit10" bit12" bit15" bit20" bit24" bit
Drill Blasting by DTH rig for down the hole in mm57 64 70 76 (3")80 82 9092 95 100 105  110105 110 115  120 125  130130 135 138 140 146 150 152(6") 156152 154 156 159 165 171 178 185 190 203(8")200 203 216 219 222 225 229(9") 235 240 254(10") 270 279(11")254  270 279  295  305(12")  311 315 330 (13")305 311 315 330 343  350  356 368 375 381 (15")381  391 413  435 438  445  451  457(18") 464 483(19") 508(20")483  508  560(22")  578 610(24")  660(26")610 660 724 737 ( 29")   762  (30")   864   (34 ") 914 (36")
SpecificationBR1BR2 DHD25DHD35 IR3.5 COP34 BR3 QL30 COP32 M30DHD340A     COP44 SD4 M40 SD4DHD55 DHD350R COP54 M50 SD5 QL50DHD65 M60 SD6 QL60DHD85, DHD380, DHD84, M80, SD80, QL80SD10 NUMA100DHD120 NUMA120 NUMA125DHD330DHD450DHD525


Bit FaceFlatFlatFlatFlatFlatCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave CanvexCancave Canvex
Carbide buttonDome/hemispherical, Paraboli/semi-ballistic,  Ballistic
Gauge buttons

8*12, 7*118*148*16/18






Front buttons








Buttons Qty810 to 131515 to 1816 to 1816 to 2418 to 4122 to 4141 to 5545 to 8177to 9375 to 132
Air pressure0.7-1.75Mpa0.7-1.75Mpa1-1.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa1-2.5Mpa
Size typeNormalNormalNormalNormalNormalNormalNormalBig sizeBig sizeBig sizeBig sizeBig size
Skirt steel23CrNi3Mo,                20Cr2Ni4
Production processFully carburized () of special heat treament with stress relief ( )  + full CNC ()for accurate machincal processing for perfect arc of skirt body to assure same consumption of skirt body with YK05 tungsten carbide inserts, which is by cold-inserted techology , no broken and drop in time of drilling











R. O.Pfastfastfastfastfastfastfastfastfastfastfastfast
Hole straightnessPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfectPerfect
Hole clean qualityGoodGoodGoodGoodGoodGoodGoodGoodGoodGoodGoodGood
Productivity actionHighHighHighHighHighHighHighHighHighHighHighHigh
Drilling lifeLongerLongerLongerLongerLongerLongerLongerLongerLongerLongerLongerLonger
Air consumptionLessLessLessLessLessLessLessLessLessLessLess
Resisitance wearHighHighHighHighHighHighHighHighHighHighHigh
UsageQuarryQuarryQuarryblastingblastingblastingblastingwater wells oil gaswater wells oil gaswater wells oil gaswater wells oil gaswater wells oil gas











Rock hardness









Air pressure









Depth meter


1.5 M







drilling speed


4 minute









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