GUHRING 00223 004.200 TWIST DRILL HSS 4.200MM TYPE N STEAM TEMPERED

Design: HSS Co5, DIN 1897, Typ INOX.
Profile grinding, right cutting, with precise point geometry and excellent thermosetting resistance. Point thinning > Ø 2.4 mm according to DIN 1412, form A, Normal angle of rake, core thickness thicker than normal and normal core gradient.

Application: Suitable for use on machines, revolver benches and hand drills. Particularly suitable for rust/acid-resistant steels (VA steels), spring steel, austenitic steels and special alloys such as Hastelloy, Inconel and Nimonic.

Short drill cyl. shank, HSS profile grinding, FORMAT

Design: HSS, DIN 1897, type N.
Profile grinding, right cutting, with precision ground point. Point thinning up to Ø 2.4 mm similar to cross-grinding; from Ø 2.4 mm according to DIN 1412, form A, Normal angle of rake, core thickness and core gradient.

Application: Suitable for use on machines, revolver benches and hand drills. Particularly suitable for construction steels and steels up to 800 N/mm² in strength and for thin-walled materials (bodywork).