Straight shank short step drills

Catalog-No.
380
Web thinning ≥ Ø 3.400 • web thinning value refers to nom.-Ø d1 • relieved cone • very high torsional stability • for CNC- and NC machines • for tapped core holes according to DIN 336 • for countersinking 90° acc. to through holes to DIN EN 20273, series medium • 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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