Sandstone Top Hammer Drilling Button Bit , Limestone Rock Drilling Bit

T38 76mm Wagon Drill Button Bit for Sandstone , Limestone Rock Drilling

R32 41mm, T38 76mm, T45 89mm, T51 102mm threaded drill button bits

Button bits with 6tips, 7tips, 8tips, we do them according to customers' requirement. We can manufacture the following types:

A. Taper button bit

Tapered button bit(28mm, 30mm, 32mm, 33mm, 34mm, 36mm, 38mm, 40mm, 42mm, 44mm and so on. With different degree taper)
Tapered Rod (Rod 19mm, 22mm, 25mm; Shank hex, 19mm, 22mm)
Internal Drill rods(chisel bit integral rod. 19mm, 22mm; Shank hex. 19mm, 22mm)

B. Thread Button Bit

Thread button bit (33mm, 35mm, 45mm, 51mm, 57mm, 64mm, 70mm, 76mm, 89mm, 102mm, 115mm, 127mm and so on.
R25--38mm, R25--41mm, R28--38mm, R28--41mm
R32; R32--45mm, R32--76mm, R32--89mm, R32--102mm
T38; T38--64mm, T38--76mm, T38--89mm, T38mm--102mm
T45; T45--89mm, T45--102mm
T51; T51--89mm, T51--115mm, T51--127mm

Taper Button Bit(Knock off bit)

Tapered button bit diameter: 28mm, 30mm, 32mm, 34mm, 36mm, 40mm, etc. Tapered bit degree: 4.46 degree, 7 degree, 11 degree, 12 degree, etc;

Threaded button bit:

Button bit diameter: 38mm to 152mm;
Button bit thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR32, and SR35;
Button bit face design: flat face, dome face, drop center face;
Button bits carbides style: hemi-spherical (round), Parabolic (semi-ballistic), Ballistic (conical)
As a leading manufacture, has the most comprehensive range of thread button bits with superior quality and lowest cost in tophammer drilling fields.


Features & benefits:

1. Different front designs for various rock formations
2. Longer service life
3. Improved hole straightness
4. Lowest cost per meter drilled

Size and Specification: