Taper 7 degree drill bit chisel bit

Product Advantages of our button bits:1. A super long life. The grinding/consumption ratio of PDC is 20-40 times that of tungsten carbide bit and 10 times that of diamond bit.2. No. 45 steel as the drill bit body;3. High drilling speed.4. Advanced geometric design for faster penetration;5. Over 10 years manufacturering

Featured Products

Product Advantages of our button bits:
1. A super long life. The grinding/consumption ratio of PDC is 20-40 times that of tungsten carbide bit and 10 times that of diamond bit.
2. No. 45 steel as the drill bit body;
3. High drilling speed.
4. Advanced geometric design for faster penetration;
5. Over 10 years manufacturering experience;
6. Solid quality;

About Our Products
Thread button bit tapered button bit made with high quality of raw material through special heat treatment, especially, tungsten carbide tips are from Boart long year, widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying.
diameter: 45mm-127mm);
Specifications of Thread button bit tapered button bit
DiameterNO*Button DiaGaugeFlushingApprox'sPart No.
DiaFrontGaugeButtonsHoleWeight
mminchEAEAAngleFrontSidekg
321 1/42*73*8351*62*40.2Q532-722
331 19/642*74*7401*51*50.2Q633-722
331 19/642*75*7352*41*40.2Q733-722
341 11/322*74*7401*51*50.29Q634-722
351 3/82*75*7351*51*50.22Q735-722
361 27/641*83*9401*61*60.3Q436-722
361 27/642*74*7401*61*60.35Q636-722
361 27/642*75*8351*61*50.3Q736-722
381 1/21*93*9401*61*60.35Q438-722
381 1/22*84*8401*61*60.35Q638-722
381 1/22*75*8351*61*50.35Q738-722
381 1/22*75*9402*41*40.35Q738-722A
401 37/641*93*9401*61*60.35Q440-722
401 37/642*75*9351*61*50.35Q740-722
411 5/82*75*9351*61*50.35Q741-722
421 21/321*93*9301*61*60.35Q741-722
421 5/82*75*9351*61*50.35Q442-722

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