Home Slickdeals Irwin 1/4″ and 5/16″ x 12″ long drill bits $2.80 each (5/16″... Slickdeals Irwin 1/4″ and 5/16″ x 12″ long drill bits $2.80 each (5/16″ size expired) By ARCOM - 3 August 2023 22 0 SHARE Facebook Twitter Go to the deal page: Irwin 1/4″ and 5/16″ x 12″ long drill bits $2.80 each (5/16″ size expired)