Straight shank short step drills

Catalog-No.
238
Web thinning ≥ Ø 6.000 • web thinning value refers to nom.-Ø d1 • with universal TiN-coating for higher wear resistance and higher tool life • relieved cone • very high torsional stability • for CNC- and NC machines • for through-holes to DIN EN 20273, fine series • for 90° screwhead countersinks to DIN 74, form A • f dependent on small diameter • vc dependent on large diameter
P M K N S H
ISO code

P Steel, high-alloyed steel
M Stainless steel
K Grey cast iron, spher, graphite/mall. cast iron
N Aluminium and other non-ferrous metals
S Special, super and titanium alloys
H Hardened steel and chilled cast iron
On the following programme pages you will find for every tool recommendations regarding suitability for the application groups and details of max. tensile strength and harness:
optimal suitability
limited suitability
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