الوصف

MAXDRILL thread bits made with high quality of hollow drill steels and tungsten carbides, through special 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 The shape can be cylinder or retrac. According to different drilling application, we have different design for flushing hole, s shapes to meet customers. Especillay our ST*8, T*0 Button Bit Retrac Bit, which is widely welcomed by our client with good quality and good price . (1) Thread: R*2, R*5, R*8, R*2, R*8, T*8, T*5 , T*1, ST*8, GT*0 (2) Type : bit, retrac bit, drop center, reamer bit , guide bit (3) Diameter: *****7mm. (4) Package: in carton. (5) Productivity: ****0pcs/ month Especially our ST*8, GT*0 Button Bit Retrac Bit, which is widely welcomed by our client with good quality and good price .