Ryobi R18DD2-213S (5133004374)

The Milwaukee COBALT RED HELIX drill bits are engineered for extreme durability and long life in hard metal applications. Designed with a variable helix that includes an aggressive 35 degrees helix an more→gle which ends at 15 degrees, the cobalt bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide up to 10X life vs. Black Oxide Drill Bits but can be used in all twist drilling applications.

Carbide tipped for long life in tough applications. Centric tip ensures quick starts in concrete. Wear mark alerts user when tip wears beyond ANSI specification. Bit runs cooler thanks to improved flute design.

GRK offers a complete line of fasteners for many different applications and a size range which cannot be matched by the combined catalogs of any two competitors. All of GRK's products are unique, feat more→uring at least one patent. GRK always aims to improve its existing fasteners and to develop new and exciting products for professionals and handymen everywhere. GRK is a company built on innovation and quality and will continue to be guided by its commitment to invention and setting ever greater standards.