28mm 30mm PDC drill bit for coal mining
PCD(Polycrystalline Diamond) drill bit is mainly used for the coal mining, dam and roadway construction of bolt-mesh support. Their life are 10-30 times of tungsten carbide drill bits. Usually the anchor shank drill bits have 2 or 3 wings.
Besharp Diamondadopt high quality PDC cutters and advanced brazing technology, so the PDC anchor shank drill bits have highwear resistance and impact resistance,have stable performancein rock formation of F below 14,like sandstone,limestone,marble,granite,quartz,basalt,etc.
Common size
Diameter: 25.4mm,25.6mm,27mm,28mm,30mm,32mm,36mm,42mm,
2 wings and 3 wings
Thread:M14*1.5,M16*2,R17,R22,Hex Drive or others as requested
Drilling ways:Wet drilling or Dry drilling
Any special design is available upon customers' request.
Capacity:5000-10000 piece per month
Our Products:
PDC anchor shank drill bit
Steel body PDC drill bit
Matrix body PDC drill bit
PDC bearing
PDC cutters
PCD cutting tool blanks
Contact information:
BESHARP DIAMOND CO.,LTD
Mail: sales at besharpdiamond.com
Mobile/Whatsapp/
Send product request
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