Maintenance - Fractional Sizes

BlackGold - 137° Split Point Black oxide surface treatment with gold color temper Stronger structure reduces breakage and tri-lobular hole effect due to flute torsion Increased material for improved heat absorption and dissipation at the cutting edges Improved support for better on size hole characteristics Tri-Flat shank provides secure drill chuck grip that eliminates bit spin out Penetrates material surface on contact preventing drill bit "skating" Industrial-Grade NAS High Speed Steel (HSS) Available and priced in 6 & 12 pack quantities (size specific) Material applications: pre-hard materials, sheet metal stack up, stainless steel, steel alloy   WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.