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Q7-45-SR28 Threaded Button Bit

  • Thread: SR28
  • Diameter: 45mm
  • Gauge: 5*10mm
  • Front: 2*8mm
  • Skirt Design: Standard
  • Weight: 0.56 KGS
  • Carbide Design: Semi-ballistic

Q7-45-SR28 Threaded Button Bit

Threaded Button Bit
Threaded Button Bit
Threaded Button Bit
Threaded Button Bit
Threaded Button Bit

Product details

Rock drilling tools manufacturer ProDrill provides a wide of threaded button bit as per different thread type, diameter, skirt body, face, and carbide shape as for your drilling job.

Rock drill bits factory ProDrill offers a wide of threaded drill bit as per different thread type, diameter, skirt body, face, and carbide shape as for your drilling job,   there are two thread type of R,  T,   R series threaded button bit including R22, R25, R28,  R32,  size 38 mm, 41mm, 45 mm, 48mm, 51mm  used in tunnelling and drifting drilling for underground mining, Above R25-38 mm button drill bit with 7 tugsten carbides to match Shand Rods with 0.5 m, 0.8 m , 1.2 m for quarrying,  drilling machine is YT28 , YT27, YT29A,  shank size : 22*108mm, total drifferent with normal threaded top hammer drill rod , MF Rod, Drifting Rods


R25 Threaded Button Bit

We will choose to use tungsten carbide of T6,featuring good wear-resistance and toughness.
This type of carbide has already been proved to be the best in world and been competing with those big names worldwide for quite a long time. 
Meanwhile,we will choose to use superior steel suitable for hot insertion technology, by which the drilling bits body will hold the carbide buttons so tightly that reduce the risk of buttons’ dropping out of the holes.
In order to better resist the abrasiveness of rock, spherical shape will be a good option for the carbide  if high speed is not a necessity. 

R22, R25, R28 Threaded Button Bits of rock drill bits.

Diameter 40mm, 41mm, 43mm, 45mm.

Semi-ballistic Threaded button bit

Threaded drill bits used in drifting and tunneling, or dimensional natural stone quarryingTo match shank rod, and MM Hex drifter rod for light-duty top hammer. 

90mm length threaded drill bit

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7 Semi-ballistic buttons, SR28 Threaded Drill Bit.

PDFFor more details please watch PDF online: R28 Threaded Drill Bits for Drifting and Tunneling Catalogue

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