Feature●DESIGN Featuring two cutting edges and a centering point, Starrett SDS drills deliver fast and efficient drilling with hammer action thanks to its 130 degree tip angle●Strong and durable: Starrett SDS Plus. Drill bits are specially heat treated for superior strength so they can easily withstand even the most demanding applications●CARBIDE TIPS These drill bits come with high performance carbide tips that feature a unique dual channel design and chip removal/breakage accelerator. This design ensures optimal performance and long lasting durability●Fast Material Penetration The special flute geometry of this carbide drill bit is designed to deliver fast material penetration and maximum dirt removal, allowing for efficient and precise drilling●PRECISION GRINDED These SDS carbide drill bits are precision ground for consistent and reliable performance regardless of applicationDescriptionclass="celwidget" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="okykj7-2fet1j-5ged8n-4x3oj0" data-cel-widget="aplus_feature_div">