8/12/2023 0 Comments Step drill bitNext, remove the small step bit and replace with the large step version. If it smokes, stop drilling immediately and let your drill and bit cool off before starting again. Make sure the bit drills completely through, using more fluid as needed if the bit starts to heat up. Too much pressure can generate heat, which will dull your bits prematurely. Use moderate pressure, letting the bit do the heavy lifting. Place the self-starting small step drill bit squarely over the center mark and depress the trigger to slowly drill the hole. Add the fluid to the tip of the step drill bit and also place a small dollop on the indented center mark. Be sure to use cutting and tapping fluid, which serves as a lubricant to help reduce the heat produced by the friction between the spinning drill bit and the metal material being drilled. Get your self-starting drill bit and secure it into the chuck (or holding place) of the motor. Put the tip of the center punch against the metal or other surface, and whack the blunt end squarely with a hammer. You’ll need a center punch and a hammer to make your center mark (the indentation in which you’ll start drilling your hole). The shavings produced when drilling into metal are much more dangerous than the particles generated when working with wood.įind your center. Start with eye protection-either safety glasses or goggles.
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