8 PC HSS Prentice Drill Set • Prentice drills (DR50 / DR51) are available in either 5 or 8-piece set List Number DR50901 Substrate HSS Surface Treatment Black & Gold Angle 118° Flute Type Regular Spiral Package Quantity 1 Number 8P Includes 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 Case Type Metal SKU: DR50901 Category: HSS Related products 1/16 – 3/8 By 1/64 HSS Jobber Drill Set Item #: DR06221 # 1 – # 60 HSS TiN Jobber Drill Set Item #: DR06060 1/16 – 1/2 By 1/64 HSS TiN Jobber Drill Set Item #: DR06029