- New
MAINTENANCE BLACK GOLDBlack oxide surface treatment with gold color temperStronger structure reduces breakage and tri-lobular hole effect due to flute torsionIncreased material for improved heat absorption and dissipation at the cutting edgesImproved support for better on size hole characteristicsTri-Flat shank provides secure drill chuck grip that eliminates bit spin outPenetrates material surface on contact preventing drill bit skatingIndustrial-Grade NAS High Speed Steel (HSS)Made in the USA