Retractable Rock Drill T38 Thread Button Bits Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least loss of energy while drilling the rocks. Besides, we can design customized thread button drill bits according to different drilling application, and custom drill bits are applicable to drill soft rock, loose-medium rock and hard rock.

Xiamen Bestlink Factory Supply 7degree 7buttons and OEM Tapered Rock Drill Button Bits. Comparing with taper chisel bits and taper cross bits, button bits has higher technology, much longer primary drilling time and higher drilling efficiency, so that the button bit is popular among the users.

Product AdvantageIndependently researched and developed alloys with high strength and good abrasion resistance;ApplicationIndependently researched and developed world-class production equipment, advanced production technology,ensuring product quality stability.Wide range of products, matching differ