Strovolt 21mm x 50mm TCT Annular Core Cutter Industrial Tungsten Carbide Tipped Mag Drill Bit Heavy Duty Hole Saw for Stainless Steel, Rail & Hardened Steel STRO782150
Product Overview
The Strovolt STRO782150 is a heavy-duty 21mm x 50mm TCT (Tungsten Carbide Tipped) Annular Core Cutter designed for demanding metal-coring applications in hardened steel, stainless steel, and other tough alloys. Engineered with a hollow-core geometry, this industrial-grade hole saw removes only the periphery of the hole, reducing load on your magnetic drill motor and generating significantly less heat for a cleaner cut and extended tool life.
Constructed with premium micro-grain carbide tips bonded to a high-strength Chrome-Vanadium alloy steel body, the STRO782150 retains its cutting edge even at extreme temperatures, making it ideal for drilling through thick-walled structural steel, railway steel, Hardox, cast iron, and other hardened metals. The triple-layer cutting geometry breaks chips into small pieces, preventing jamming or clogging during deep 50mm bores.
With an optimized internal taper, the metal slug is instantly ejected by the pilot pin upon completion, streamlining high-volume production workflows. Operating at significantly higher RPMs than standard HSS cutters, this annular core cutter delivers a reamer-quality finish with zero secondary deburring required, saving time and effort.
Equipped with a precision-ground 19.05mm (3/4") Weldon shank for a secure, slip-free fit in all major magnetic drill presses, the STRO782150 is an essential tool for structural engineering, shipyard maintenance, oil rig fabrication, heavy-duty automotive chassis work, and any application requiring precision clearance holes in hardened or thick-walled materials.
