Kolvoii 2 Pcs TCT Annular Cutter 9/16" Diameter x 1‑3/8" Depth

Key features

• GREAT VALUE 2-PACK & READY TO USE: This heavy-duty set includes two 9/16" diameter x 1-3/8" depth TiAlN coated TCT mag drill bits, designed for precision deep-hole drilling in thick structural members. To ensure a seamless workflow, this 2-pack comes complete with 2 pilot pins and L-wrench, providing an "out-of-the-box" professional solution for your fabrication needs.
• ADVANCED TiAlN COATED PERFORMANCE: Upgraded with a premium TiAlN (Titanium Aluminum Nitride) coating over ultra-hard Tungsten Carbide Tipped (TCT) teeth. This industrial-grade coating acts as a superior thermal barrier, allowing for faster cutting speeds and significantly longer tool life compared to uncoated cutters. Designed for stainless steel, mild steel, and alloys. NOTE: Not intended for ultra-hardened plates like AR400/AR500.
• UNIVERSAL 3/4" WELDON SHANK: Features standard 3/4-inch Weldon shanks with 2 flat surfaces, ensuring a secure, non-slip fit in most major magnetic drill presses like Evolution, Hougen, Milwaukee, and Dewalt. The precision-ground shanks provide a stable connection, minimizing vibration and ensuring maximum safety during high-torque operations.
• COOLER CUTTING & RAPID CHIP REMOVAL: The combination of specialized spiral flutes and the low-friction TiAlN coating maximizes chip evacuation while actively dispersing heat. This advanced geometry prevents thermal buildup—the #1 cause of tool failure—delivering cleaner, burr-free, "to-size" holes every time with minimal effort.
• BUILT FOR TOUGH INDUSTRIAL SCENARIOS: Engineered to thrive under high heat and heavy workloads. These TiAlN-coated mag drill bits excel in drilling through Stainless Steel, I-Beams, Cast Iron, Alloy Steel, and Hardened Truck Frames. Optimized for professional fabrication, they offer superior wear resistance for your most demanding industrial projects.

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