Update: Price slightly decreased by $0.32 to $5.08. Product is backordered; estimated arrival date of May 12, 2014 - May 21, 2014.
Amazon has 4-piece Milescraft Counter Bit Set for $5.34. Free shipping with Prime (free student accounts available) or if you spend $35 or more. Thanks Dorylus
Deal Editor's Notes & Price Research: Four piece set includes bits for drilling pilot holes for screw sizes #6, #8, #10, and #12.
Price Comparison: Our research indicates that the 4-piece Milescraft Counter Bit Set is $2.50 lower (31% savings) than the next best available price from a reputable merchant with prices ranging from $8 (before shipping). - yuugotserved