While the shape of your reducing edges differs, and one employs screw threads and the other a twist bit with the pilot, the method of altering them continues to be precisely the same. A 5 mm carbide bit displaying shallow point angle. The most common twist drill little bit (bought https://drill-bit-manufacturer71592.vblogetin.com/40029387/the-smart-trick-of-drill-bit-supplier-that-no-one-is-discussing