Sintered Drills
A sintered drill bit. Smaller drills are 120 grit and the larger 2.3mm drill is 80 grit. Then there are enlarging drills leaving a finish of 325 or 600 grit to help in polishing the hole.
Diameters in mm. 1.0, 1.2, 1.6, 2.3, 2.9, 3.3
A sintered drill bit. Smaller drills are 120 grit and the larger 2.3mm drill is 80 grit. Then there are enlarging drills leaving a finish of 325 or 600 grit to help in polishing the hole.
Diameters in mm. 1.0, 1.2, 1.6, 2.3, 2.9, 3.3
