Rock drilling tools manufacturer YKDrill threaded button bits offers leading strength and penetration rates in the industry for more productivity, excellent straightness and hole clean quality, with max drilling performance for rock drill bits with long life to save up fuel cost rate.
Rock drill bits factory YKDrill 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 hammerdriller in stone quarrying, and mining. 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.
Tapered Bits Description: (1)Connect shank Size: Φ19, Φ22, Φ25 at most (2)Bit Diameter: 32mm,34mm,35mm,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.