Fein HSS Nova 25 kernboor 12 mm Weldon-schacht 19 mm 63134120051

Metalworkers and maintenance crews rely on the Fein HSS Nova 25 annular cutter for fast, precise holes in structural steel, aluminum, copper, and cast iron. With a 12 mm cutting diameter and 25 mm cutting depth, this hollow drill bit pairs with magnetic core drilling machines to produce clean, burr-free bores in a single pass.

Key specifications

• Material: High-Speed Steel (HSS)
• Series: Nova 25
• Cutting diameter: 12 mm
• Cutting depth: 25 mm
• Shank type: Weldon shank, 19 mm (3/4 inch)
• Number of cutters: 1
• Surface finish: Bright (uncoated)
• Packaging: Single pack

Why choose it

Optimized cutting geometry ensures rapid stock removal and long tool life. The bright HSS body resists heat build-up, while the Weldon shank guarantees secure clamping in compatible magnetic drills. This cutter excels in fabrication shops, steel construction, and plant maintenance where accuracy and speed matter.

Ideal use cases

• Core drilling in structural steel beams and plates
• Creating holes in non-ferrous metals like aluminum and copper
• Preparing openings for bolts, conduits, and cable pass-throughs
• On-site repair work with portable magnetic drilling machines

Good to know

Use with a suitable cutting fluid to maximize tool life and hole quality. The cutter is supplied individually, allowing you to stock exactly the sizes you need. Always verify that your magnetic drill's arbor accepts a 19 mm Weldon shank.