FEIN HSS-Nova 50 kernboor 20 mm Weldon-schacht 63133199052

Precision-ground from high-speed steel, this 20 mm annular cutter delivers a 50 mm cutting depth with internal coolant delivery for clean, efficient holes in steel, non-ferrous metals, and plastics. The FEIN HSS-Nova 50 is engineered for magnetic core drilling machines with a 19 mm Weldon shank, ensuring secure tool holding and accurate centering.

Overview

The FEIN HSS-Nova 50 annular cutter (model 63133199052) is a professional-grade core drill bit designed for demanding metalworking applications. Its 4-flute geometry and bright surface finish reduce friction and heat buildup, extending tool life and improving hole quality. With an overall length of 74 mm, it offers excellent reach and stability during drilling operations.

What stands out

• High-speed steel construction for durability and wear resistance
• 20 mm cutting diameter with 50 mm cutting depth
• Weldon shank (19 mm / 3/4 inch) for secure mounting on magnetic drills
• Internal coolant delivery for efficient chip evacuation and cooling
• Precision ground for accurate, burr-free holes
• Versatile across steel, non-ferrous metals, and plastics

Technical details

• Drill type: Annular cutter (core drill)
• Material: High-speed steel (HSS)
• Cutting diameter: 20 mm
• Cutting depth: 50 mm
• Shank type: Weldon
• Shank diameter: 19 mm (3/4 inch)
• Overall length: 74 mm
• Number of flutes: 4
• Application materials: Steel, non-ferrous metals, plastics
• Coolant delivery: Internal
• Series: HSS-Nova 50
• Compatibility: Magnetic core drilling machines with Weldon 19 mm shank
• Manufacturing process: Precision ground
• Surface finish: Bright
• Unit quantity: 1 piece

Our verdict

A reliable and precise annular cutter for professional use, the FEIN HSS-Nova 50 offers excellent cutting performance and long service life. Its Weldon shank and internal coolant make it a top choice for high-volume drilling in steel and other metals.