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SKU:35883398
Product Description This IRWIN 29-Piece Titanium Nitride Coated Drill Bit Set includes drill bits with Titanium Nitride coating that reduces friction and withstands heat, lengthening the life of the cutting edge and keeping it sharp. These drill bits are designed for repetitive metal drilling with portable drills and stationary drill presses. The 135° split-point tip on each step drill bit starts drilling immediately and helps eliminate walking. Amazon.com The Irwin 29-Piece Titanium Metal Index Drill Bit Set is ideal for drilling wood, metal, or plastic. Built from titanium metal, this set offers the best heat resistance for drilling hard and abrasive materials, and is built extra hard for greater durability. This titanium nitride coating extends the cutting edge life up to 6 times that of a normal drill bit. Each bit comes with a 135-degree split point tip that starts on contact and cuts with less force. The reduced shank above 3/8-inches allows the use of larger drill bits in a 3/8-inch chuck, while removable cartridges make it easy to carry bits from case to the worksite. Additionally, this set includes a tap and drill selection chart for convenient reference, as well as a rubber over-molded case that protects kit if dropped. 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. From the Manufacturer Irwin Industrial Tools 3018003 29-Piece Drill Bit Industrial Set Case, Tin coated. Irwin offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride and Cobalt Drill Bits. See more
Titanium Nitride Coated-coated nitride drill bits last longer and feature a cutting edge that stays sharp
135° split-point tip starts drilling immediately and helps eliminate walking
IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses
Includes 1/16" through 1/2" drill bit sizes in 1/64" increments
Titanium drill bits last longer and feature a cutting edge that stays sharp
135° split-point tip starts drilling immediately and helps eliminate walking
IRWIN drill bits are great for repetitive metal drilling with portable drills and for use in stationary drill presses
Includes 1/16" through 1/2" drill bit sizes in 1/64" increments
I'm fan of Irwin TurboMax drill bits for a quite a long time. They always deliver faster speed, ease of drilling, no walking, in almost all materials that you can meet in life, except stone and ceramics. If you going to order these drill bits, please take care of the following fact: These drill bits have 4 cutting edges, instead of 2, as on usuall drill bits, so they require more torque, but lower speed. So, if you're using AC powered drill, which generally has higher RPM, but lower torque, than this drill bits is not for you. Or, if your AC drill has mechanical gear shift, shift it to lowest available speed. Optimal speed for these drill bits is around 1000rpm, and even 300-400rpm for larger diameters. Of course it will work on higher speeds also, but bits much more faster become dull or even tip broke off. Also consider, YOU CAN'T SHARPEN THEM, whatever various manufacturers of drill bit sharpeners may say!
