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	Type N R40 Form C DIN 376
Manufacturing specifications	Chamfer lead: Form C Flute form: 40º RH spiral Thread: ground, with eccentric flank relief, shortened cutting length Other manufacturing specification to DIN 2197
Range of applications	For blind holes in steels with a tensile strength of 800 N/mm˛, malleable cast iron and long-chipping non-ferrous metals.
Sketch
Tool material
Cutting direction	right hand-cutting
Surface
Ø-range	M12 - M20
Tolerance	ISO 2 (6H)
Series No.	2439