Precision meets performance with the Hertel Countersink, featuring a 3/8" head diameter and 90-degree included angle. This 6-flute solid carbide tool delivers superior cutting action and exceptional durability for professional-quality countersinking operations. Designed with a 1/4" straight shank for secure mounting in standard tool holders, this right-hand cut countersink creates clean, consistent chamfers for flush screw heads and bolt holes. The bright/uncoated finish provides excellent visibility during operation, while the solid carbide construction ensures long-lasting performance even in demanding applications. With a 2-1/2" overall length and single-end design, this Hertel countersink offers the perfect balance of reach and stability for your metalworking projects. Ideal for precision machining operations where accuracy and finish quality are paramount.