Up to dia 1.9 with 4 facets- from dia 2 with relieved cone.
Straight major cutting edges and a special flute profile ensure a good chip evacuation.. Pro Steel Solid Carbide Drill, 12.7 mm Dia, 140 Deg Point Angle, TiAlN Coated, Plain Shank Standard: DIN 6537 Tolerance nominal dia : h7 Number of cutting edges Z: 2 Tolerance nominal dia : h7 recommended maximum drilling depth L2: 58 mm Overall length L: 124 mm Shank dia Ds: 14 mm Feed f in steel A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and an extremely wear-resistant coating.