Twist drills with coolant duct, flute length to company standard

Catalog-No.

254

Connection code machine side: Morse taper

Web thinning ≥ Ø 8.000 • relieved cone • axial and radial coolant supply through morse taper shank (similar to DIN 228 form BK) • opening and closing the necessary coolant supply possible with the supplied screw

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

optimised for the machining of steel beams on beam drill-saw lines • laminated sheet metal • steel and cast steel, grey cast iron • austenitic steels up to 800 N/mm²

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