Rock Drill Button Bits:
30mm, 32mm, 34mm, 36mm, 38mm, 41mm,43mm,45mm,48mm,51mm, 64mm,76mm,89m,102mm,115mm,127mm rock drilling button bits, drill bits, rock button bits manufacturers, button bits suppliers.
Thread: R22, R25, R32, R38, T38, T45, T51.
Tapered: 7 degs, 11degs, 12degs.
They widely used in railway, subway, highway, tunnel, mining, metallurgical engineering, water conservancy, etc.
They have been exported to Australia, Brazil, Japan, USA, Korea, Middle East, etc.
Rock Drill Button Bits:
30mm, 32mm, 34mm, 36mm, 38mm, 41mm,43mm,45mm,48mm,51mm, 64mm,76mm,89m,102mm,115mm,127mm rock drilling button bits, drill bits, rock button bits manufacturers, button bits suppliers.
Thread: R22, R25, R32, R38, T38, T45, T51.
Tapered: 7 degs, 11degs, 12degs.
They widely used in railway, subway, highway, tunnel, mining, metallurgical engineering, water conservancy, etc.
They have been exported to Australia, Brazil, Japan, USA, Korea, Middle East, etc.
