Carbide drill bit, Step drill bit, Best step drill bit, Carbide step drill
Betalent carbide focuses on making tungsten carbide drill bits, this step drill bit is widely applied to various situations, you need to drill multiple-step holes in metals.
Can be very complicated step hole, also this kind of step drill can be used in drilling different diameter through holes with one single drill bit.
Steps and shapes of step drill bits can be well-designed base on our long time experience in manufacturing tungsten carbide drill bits to fulfill different functions.
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