IRWIN Tools 3018004 Black Oxide Drill Bit Set is a convenient, versatile selection of heavy-duty drill bits. The drill bits are made of premium high speed steel with black oxide finish for added corrosion resistance. The 135-degree split point eliminates "walking" and requires less drilling effort. These bits are Ideal for drilling mild steel, sheet metal, alloy steel, aluminum, stainless steel, brass, wood, and plastics. The set comes in a metal index case with protective rubber overmolds to prevent damage if dropped, and is designed with removable cartridges for easy bit access and portability. A convenient tap and drill selection reference chart is also included. Contains sizes 1/16" through 1/2" in increments of 1/64". Bit sizes larger than 3/8" have a reduced shank, which allows them to be used in a standard 3/8" chuck.
The Irwin 29-Piece Industrial Black Oxide Drill Bit Set is a handy and versatile collection that features drill bits with 135-degree split point tips that are specially designed to let you drill effectively on contact and with less force. The reduced shank above 3/8-inch allows you to use the larger drill bits in a 3/8-inch chuck, while flatted shanks above 11/64-inch eliminate slippage in drill chuck.
This set comes with automatic indexing for easy bit access and identification, a tap and drill selection chart for quick reference, and a handy rubber-overmolded case for carrying all the bits and protecting the set. The 29 drill bits feature a black oxide treatment which resists rust and corrosion, and they range in size from 1/16-inch to 1/2-inch in 1/64-inch increments. This product is backed by a full lifetime warranty.
What's in the Box
29 drill bits: 1/16-inch to 1/2-inch bits in 1/64-inch increments, and a rubber-overmolded case that protects the kit if dropped.