SPECIALIST+ metal drill bit COBALT, 4.2 mm, 10 pcs

Metal: - HSS COBALT metal, steel with 5% cobalt, less heating (drilling drilling for longer periods of time) and is stronger. Shape and construction: - Double drill sharpening. - 135° drill tip allows for straightness when drilling harder drill bits. The drill bit is designed to drill through steeper materials. - Hardened, gold surface finish for greater durability. - Professional shank machining for precision drilling and fast chip removal For fast deburring. - Set of 10 pieces for this drill. Applications: - In V2A steel drilling. - In V4A steel drilling. - In V4A cast iron drilling. - In titanium drilling. - Drilling of hard materials up to 1100 N/mm2.

Manufacturer: Specialist+ | Diameter, mm: 4.2 | Working Length, mm: 43 | Overall length, mm: 75 | Shank / chuck type: Straight | Standard: DIN 338 | For steel up to (N/mm2): 1100 | Drill tip angle: 135° | Surface: Yellowish tempered