【Product Details】 Material: HSS; Number of cutting edges: 4; Diameter: 5mm/0.2in; Effective cutting edge length: 15mm/0.59in; Overall length: 60mm/2.36in; Shank diameter: 6mm/0.24in; Packaging specification: 2pcs. 【High-Efficiency Four-Flute Design】 Featuring a high-precision four-flute configuration, this cutter delivers reduced cutting drag and improved debris evacuation compared to double-flute milling cutters. Capable of withstanding higher feed rates, it achieves enhanced efficient machining and smoother surface finishes, making it suitable for finishing and semi-finishing operations. 【Universal flat-bottomed end mill】 Featuring a standard flat-bottomed (square-head) design, this adaptable tool excels at efficient side milling and slotting while also handling contour machining, step-face milling, and drilling positioning. 【Enhanced Durability】 With thicker teeth and superior impact resistancecompared to multi-flute end mills, it withstands interrupted cuts and roughing operations better, offering a longer toollife. 【Widely compatible, ready to use】 Featuring a standard straight shank design, ensuring effortless installation. UPC 769643156245 Size Name 5mm 2pcs Brand Name DRINYOUNG Part Number HSSEMC1 Manufacturer DRINYOUNG Material Type High Speed Steel Included Components HSS End Mill Cutter