Lowe's offers the Hitachi 130-Piece Gold Oxide Twist Drill Bit Set for $24.98. Coupon code "47000LOWES2406S" cuts it to $22.48. Choose in-store pickup to dodge the $5.99 shipping charge. That's $38 off list and the lowest price we could find. This set includes the most common sizes for drilling and features a gold oxide coating.