Shandong Hengtai Diamond Tools Company

China Manufacturer with main products: diamond tool, diamond saw, diamond blade, diamond drill bit

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Pdc Roof Bolt Drill Bits


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Place of Origin: Shandong in China

Specifications

PDC ROOF BOLT DRILL BITS
Two wings type
Size: Φ25-Φ42 mm
Screw size: 14x1.5; 14x2; 16x2
Applied for wide range of rock formation, vastly improved efficiency, with features like long drill life, nice wear resistance of wing, strong shock resistance, no need repeat repair and grinding.
 
Three wings type
Perfect stability in penetration and drilling, four water-discharging holes, fast chip discharging, is two times fast as two wings type when drill hard rock formation, best performance when at f=8-15 rock formation.
 

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