Countersink Drill Bit, KATSU HSS 6542 Countersink Drill Bit 90 Degrees 50mm 3 Flute Chamfer Cutter Drill Bit for Wood Steel Metal Machine Tools, Positioning Drill Mill Cutter 12740625

• PRECISION CHAMFERING AT 90 DEGREES: Three-flute HSS 6542 steel construction delivers clean, accurate countersinks up to 50mm, eliminating rough edges and ensuring flush screw seating every time.
• HARDENED FOR TOUGH MATERIALS: Made from high-grade HSS 6542 alloy steel, this bit cuts through stainless steel, iron, mild steel, hardwood and softwood without dulling or deforming under pressure.
• STRAIGHT SHANK FITS YOUR EXISTING DRILL: Universal straight shank design is compatible with Bosch, Makita, DeWalt, Hilti, Metabo, Milwaukee and most other common drill brands, no adaptor needed.
• BUILT FOR MILLING AND CHAMFERING MACHINES: Suitable for drilling, milling, planing and chamfering operations, making this a versatile single-tool solution for workshop professionals and serious DIYers alike.
• TRUSTED BY OVER 5,000 BUYERS: KATSU Tools holds 90% positive ratings across 5,000-plus customers and 10,000-plus recent orders, backed by consistent performance across demanding industrial and woodworking applications.

Achieve clean, flush countersinks on the first pass. The KATSU HSS 6542 Countersink Drill Bit is engineered for professionals and serious hobbyists who demand accuracy, durability, and compatibility across a wide range of materials and machines. Built to perform where standard bits fall short. Key Features Material: HSS 6542 high-speed alloy steel — hardened for long-term use Cutting diameter: 50mm with a precise 90-degree chamfer angle Three-flute design for smooth, controlled material removal Straight shank for universal drill and machine compatibility Uncoated finish — ready to use straight from the box Why It Works HSS 6542 Construction: High-speed alloy steel stays sharp through repeated use on demanding materials. 90-Degree Three-Flute Design: Three cutting flutes distribute load evenly for a cleaner, smoother finish. Universal Straight Shank: Fits standard drill chucks and milling machines without adaptors or modifications. Broad Material Compatibility: Cuts mild steel, stainless steel, iron, hardwood, and softwood with a single bit. Ideal For Countersinking screws and bolts to achieve a flush or recessed finish Deburring drilled holes in metal fabrication and engineering work Chamfering edges on wood or metal components in joinery and manufacturing Workshop professionals, machinists, carpenters, and advanced DIY users Use with Bosch, Makita, DeWalt, Hilti, Metabo, Milwaukee, and compatible machines