$69.99 RIDGID 3/16 in. x 2-1/8 in. Diamond Drill Bit-RD-71100 - The Home Depot
LastCut 12 PCS 1/8 Cobalt Jobber Drill Bits,135 DEG S/P, Tap Drill for 5-32 | eBay
Drill America m8 x 1.25 High Speed Steel Tap and 6.75 mm Drill Bit Set (2-Piece)-POUM8X1.25 
