$66.99 Drill America 9/16 Reduced Shank High Speed Steel Drill Bit with 1/2 Shank, 887861034234 | eBay
ACE 1/2 Metal / Wood Drill Bit Heavy Duty 2000735 | eBay
8pc Jumbo Silver Drill Bit Set 1/2 Inch Industrial Large 9/16 to 1 -in Drill Bits from Tools 
