الوصف

Thread bits

 1. Rope thread:R*5 R*8 R*2, R*3, R*8, R*5

    T thread: T*8, T*5, T*1, ST*8, T*0 GT *0.

2. Main bits diameters: 
    R****5MM, R****1, R****4, R****6,
    T****4MM, T****6MM, T****9, T*****2MM,
    T****6MM, T****9MM, T*****2MM,
    T**9MM, T*****2MM, T*****7 etc.

 3.  Button bit face design: Flat face, drop centre, Normal and Retrac body.

 4.  Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R*2, R*8, T*8, T*5, T*1, bit diameter: *5mm***7mm);

 Tapered Button Bit

 1. Taper: degree 4° ,6°, 7°, 9°,*1°, *2°.

 2. Type: flat bit, cross bit, bit

 3. Main bit diameter: *0mm, *2mm, *6mm, *0mm          

 4.Package: in wooden case or in carton.

 Tapered bits are mainly used in mining,coaling,metaling and etc