Description
Key Specifications/Special Features:
• Buttons : 3 to 9
• Button types : hemispherical, ballistic, conical and domed
• Diameter : 30mm, 32mm,34mm,36mm,38mm,40mm,42mm,45mm,
• Taper : 4/6/7/11 and 12°
• Bit body : short and long skirt
• Flushing hole : 2 to 3mm
The button bits, has higher technology, long primary grinding time and higher drilling efficiency while comparing with taper chisel bits and taper cross bits.
The normal size rage as 32mm,34mm,36mm,38mm,40mm,42mm, with diameter of 22mm.