R28 drill bit made in China
PRODUCT DESPRIPTION
A comprehensive range of various button bits shown as below:
Thread sizes: R25, R28, R32, R35, R38, T38, T45, T51, ST58, ST60, GT60;
Head diameters: 33mm ~ 152mm;
Face designs; flat face, drop center, uni-face;
Skirt designs: normal, retract, straigh retract
Send product request
Other supplier products
 |
PDC core drill bit | PDC Core bit is a kind of pipe-shaped bit with PDC which can get the coring. It is used for geological exploration, coal mining. Features 1. Supe... |
 |
114mm DTH drill pipe with API 3 1/2"REG thread | DTH Drill Pipe DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality lo... |
 |
76mm DTH drill pipe with API 2 3/8"REG thread | DTH Drill Pipe DTH drill pipes are widely used in mining,water well drilling,geothermal,oil and all kinds of DTH rock drilling,with high quality lo... |
 |
12 taper degree button bit for rock drilling | Tapered Rock Drill Bits :It's suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7°, 11°, 12°. It's wi... |
 |
T51 button bit | Product: T51 button bit Size choose: 76mm, 89mm, 102mm,115mm, 127mm Button tip inserts choose: Spherical button, hemispherical button, Parabolic bu... |
