Precision Twist Drill 1/16 to 1/2", 135° Point, Gold Finish, Cobalt Screw Machine Length Drill Bit Set 29 Piece, Split Point, Straight Shank, Series M40CO - Walmart.com
Precision Twist Drill - Extra Length Drill Bit: 5/16″ Dia, 118 ° Point, High Speed Steel - 78572229 - MSC Industrial Supply
Precision Twist Drill Drill Bit Set 8 Pc Hss 5995703 | Industryrecycles