R32 48mm button bits are made with high quality of best quality alloy steel bar 45CrNiMoV and tungsten carbide buttons YK05, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
Main threaded button bits are:
R22-32mm, R22-36mm, R22-38mm, R22-41mm;
R25-33mm, R25-35mm, R25-37mm, R25-38mm, R25-41mm, R25-43mm, R25-45mm;
R28-37mm, R28-38mm, R28-41mm, R28-43mm, R28-45mm, R28-48mm;
R32-41mm, R32-43mm, R32-45mm, R32-48mm, R32-51mm, R32-54mm, R32-57mm, R32-64mm, R32-76mm;
T38-64mm, T38-70mm, T38-76mm, T38-89mm, T38-102mm, T38-127mm;
T45-76mm, T45-89mm, T45-102mm;
T51-89mm, T51-102mm, T51-115mm, T51-127mm;
T60-92mm, T60-96mm, T60-102mm, T60-115mm, T60-118mm, T60-127mm, T60-140mm, T60-152mm etc.