Get a FREE 1/2" Hex Drill Adaptor with every order! Guaranteed to deliver the best drilling speed, tool life and reliability! Use Cougar HDX Supreme Core Bits for drilling reinforced concrete, up to 8,000 psi as well as brick, block, and various stone materials. Featured are 8mm tall chipbreaker (turbo) segments for fast chip-ejection with optimal drilling performance. The barrel length is 9" and the standard 5/8"-11 threaded arbor will adapt to most core drilling machines, electric drills or variable speed grinders. Cougar HDX Supreme DRY Diamond Core Bits are made in our USA facility using strict quality controls and offer a LIFETIME WARRANTY! 9" drilling depth capacity before adding extensions. May be used wet or dry. Lifetime Guaranteed! Made in USA. Use for rotary drilling only. Not for use with roto-hammers or hammer drills.
