Producto
TAPERED DRILL BIT
Barras de Perforación / Jars/ Drill Bars
For Tunneling is suitable for mining,quarry,tunneling and so on.tapered drill bits consist of mining and tunneling two series, with higher drilling efficiency, longer service life, better powder-discharge, better wear-resistance and impact-resistance, easier bit-back performance etc., widely used in metal mine, quarry, tunneling, hydro-electrical engineering and so on.
Tapered drilling tools(Tapered Drill Steel)
Including: Shank H22x108mm, (6, 7, 11, 12 degree taper) taper rods in most lengths.
A comprehensive range of button bits, cross bits and chisel bits with(6, 7, 11, 12 degree taper).
Bit diameter: 28mm-57mm.
