button bit การใช้

• Application of diamond - enhanced tungsten carbide composite button bit - a discussion
• Because of the lower rock fragmentation efficiency and defective geometrical shape of chisel bit , sweden has replaced chisel bit with taper connecting cross chisel bit and button bit since the mid - seventies
• We can supply various kinds of drill tools , spare parts for machines etc . , a wide range of rock drilling tools include insert bits , button bits , shank adapters , drill rods coupling sleeves etc . other types of rock drilling tools not specified in this catalogue are available according to customer s request
• The second generation model b of j series hammers recently produced by the plant possesses the charactrics of larger impact energy , higher penetration speed ; compared with insert bits , the z type button bits have higher penetration rate and longer service life - with the backing of strong research force , its products are always of advanced structure and reliable quality
• Main product : tungsten carbide powder , roll ring , anvil and cylinder , mining button bit , dies nib for various application : cold heading dies , drawing dies and non - magnetic carbide dies . all of the products mentioned above could be offered in blank or finishing product