Retrac button bit are made by high quality alloy steel bar and tungsten carbide, through heat treatment to improve products surface hardness to improve the drilling speed , Button Bit designs include; Standard, heavy duty, drop centre, ballistic, parabolic and retract and combination options. Available with all popular international thread forms such as R28, R32, R38, T38, T45, T51 ,T60，ST58，ST68.which can be equipped with rock drilling machines such as Atlas Copco, Boart Longyear, Sandvick, Ingersoll-Rand, Furukawa and so on.
Welcome to our company's website, thank you for your letter, we will reply you in the first time, please leave your information and contact information！
If you are interested in our products Please submit your E-mail and we will get back to you as soon as possible
