Tungsten Carbide Pcb Drill Bits | Betalent
2021-5-22 · Tungsten carbide PCB drill bits typically mount in a collet rather than a chuck, and come with standard-size shanks, often with pre-installed stops to set them at an exact depth every time when being automatically chucked by the equipment. Due to the high rotational speeds—these bits are used at 30,000 to 100,000 RPM or even higher—their ...
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