RUKO FLS-DIN373-Fein-M12-MK2 tasojyrsin, DIN 373, M12, morsekartio MK2, HSS

Counterbore diameter 20.0 mm with pilot diameter 13.0 mm for M12 screws. This RUKO spot facing cutter creates flat seats for socket head cap screws, hex head screws, and washers in steel, cast iron, non-ferrous metals, and plastics.

Overview

The RUKO FLS-DIN373-Fein-M12-MK2 is a DIN 373 spot facing cutter with Morse Taper MK2 shank. Made from high-speed steel (HSS) with three right-hand cutting flutes, it is ground from solid for precision. The cutter has a bright uncoated finish and a fixed pilot.

What stands out

• Counterbore diameter: 20.0 mm
• Pilot diameter: 13.0 mm
• Morse Taper MK2 shank
• HSS with 3 flutes, right-hand cut
• Fixed pilot for accurate centering

Technical details

• Standard: DIN 373
• Tool type: Spot facing cutter / counterbore
• Screw size compatibility: M12
• Shank type: Morse Taper
• Shank size: MK2 (Morse Taper 2)
• Material: HSS
• Number of flutes: 3
• Cutting direction: Right-hand cut
• Overall length (l1): 130 mm
• Cutting length (l2): 25 mm
• Pilot length (l3): 20 mm
• Surface treatment: Bright (uncoated)
• Application: Creating flat seats for screw heads and washers
• Suitable materials: Steel, cast iron, non-ferrous metals, plastics
• Manufacturing process: Ground from solid
• Pilot type: Fixed pilot
• Tolerance class: Standard DIN
• Series: Fahrion DIN 373

Our verdict

A precise DIN 373 spot facing cutter for M12 screws, ideal for machining flat seats in a range of materials. The Morse Taper MK2 shank ensures secure tool holding.