Silver & Deming 4pc Drill Bit Set – Trident Tipped

Trident Tipped 4pc Silver and Deming Drill Bit Set  ALL NEW Large Diameter HSS Drill Bits with unique tip geometry reduces heat generation & cutting tool wear increasing tool life.  Easily enlarges existing holes without damaging the split point of the drill bit. The split point design gives extremely accurate starting point and is self centering eliminating the need for the use of center drills and center punches. Drills come on 3-Flat 1/2″ reduced shanks, Body and clearance are gold surface treated for maximum lubricity. Drills are heat treated at 2185° F and then nitro-carburize finished at 950° F to be measurably harder than high-speed steel. 4 piece S&D Drill Bit kit includes sizes 9/16, 5/8, 3/4, and 1″ The Trident tip design supercharges traditional HSS, unlocking performance in harder materials. This advanced geometry allows HSS to drill hardened alloys and hard steel while maintaining clean, controlled cuts in sheet metal, brass, and acrylics. Made in the USA