Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year,tungsten carbide code No. YK05 supplied by Zhuzhou 601 factory,Offers industry-leading strength and penetration rates for more productivity.Excellent straightness and hole clean quality,Get max.drilling performance.
Rock drill bits factory ProDrill offers small hole rock drill bits: Tapered Drill Bit is different with thread button bit as long hole bit to use taper match with bit rod to be used for air leg or hand held jack hammer driller in stone quarrying, and mining.
Front Design: 8 Semi-Ballistic Buttons, 2 water holes on front, 1 on side.
Tapered Bits Description:
(1)Connect shank Size: Φ19, Φ22, Φ25 at most
(2)Bit Diameter: 32mm,34mm,36mm, 38mm,40mm
(3)Tapered connection: 6 degree, 7 degree, 11 degree, 12 degree etc.
(4)Material: Alloy Steel Bar 45CrNiMoV, Tungsten Carbide Tips YK05 or T6.
(5)Button Shape: Semi-Ballistic; Face Type: Flat Face; Bit Body: Standard
(6)Qty of button: 5,7, 8 pcs
(7)main market: India, Saudi Arabia, Chile, South Africa, stone countries consume very much