4-32MM; MATERIAL: HSS 4341 WITH TITANIUM COATED; HOLE DIAMETERS IN 15 STEPS; SPIRAL FLUTE; STEPS: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32MM; SHANK-TRIANGLE; LOGO & ITEM NO. PRINTING