These tapered drill bits are perfectly matched for #5, #6, #8, #10 or #12 screws. They feature a high quality high speed steel (HSS) construction and are designed for use with the Rockler/Insty-Drive Tapered Drill Bits and Countersinks Set #69030 (sold separately) as well as #5 Through #12 Bits (sold separately) . These HSS drill bits have a high resistance to heat and can be used to drill metal, hardwood, softwood and some plastics. Each tapered drill bit is removable and adjustable for easy use with your electronic drill.
Great additional for the price. Came quickly and in good condition. Thanks Insty-Bit for another good product.