4mm HSS Hollow Point Drill DIN333-A FORMAT

HSS 4mm HSS DIN333-A FORMATMake: DIN 333-A, countersink angle 60°. Profile ground, right-hand cut. Tolerance Ø: Ø 1.0-2.5 = + 0.14 mm Ø 3.15-5.0 = + 0.18 mm Ø 6.3 = + 0.22 mm Application: standard countersink for nut making according to DIN 332, sheet 1, shape A (without protective countersink)DrillØ d1 k 12: 4 mmShankØ d2 h8: 10 mmTotal length l1: 56 mmWorkpieceØ: 40-63 mmStale < 700 N/mm² f: 0.05 mm/rev.Steel < 700 N/mm²: 20Steel < 1000 N/mm²: 10Steel < 1400 N/mm²: 6GGG/GTS cast iron: 15GGG cast iron: 5 850 N/mm²"Titanium > 850 N/mm²: 3Aluminum < 8% silicon: 30 8% siliconAluminum > 8% silicon: 30Copper alloys: 20Graphite GRP/CFK/duropl.: 3Coating: uncoated.