Chicago-Latrobe 550 Series Jobber Length Drill Set with Metal Case – Sizes in Set: 1/16 – 1/2 x 64th; #1 – #60; A – Z; Number of Tools: 115; Material Type: Cobalt; Point Angle: 118 Degrees; Finish/Coating: Gold Oxide Finish Product Details: Sizes in Set: 1/16 – 1/2 x 64ths; #1 – #60; A – Z Number of Tools: 115 Manufactured to NAS 907 Type J geometry aerospace specifications with self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging and gold oxide is a thinner oxide surface treatment than Heavy duty construction for increased strength and rigidity compared to standard drill bits Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. USA Tool Depot is a privately owned USA based company. We stock thousands of items from major brands and specialty manufacturers in order to provide you the items you need at competitive prices. Our goal is to ensure that your order is delivered as soon as possible. Please do not ask us to make false statements on these documents. PRIVACY STATEMENT —- SECTION 1 – WHAT DO WE DO WITH YOUR INFORMATION? When you browse our store, we also automatically receive your computer? USA Tool Depot wants to provide you with the best level of customer service possible. Add to Favorite Sellers. Sign up to Newsletter. View more great items!