Tiain Coating Cobalt Drill Bit Set, 29Pcs Multifacet Tip M35 High Speed Steel Bits for Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16″-1/2″. We care about you and we always try to offer the best service possible. We choose with love our products and we’ll bring to your home using third warehouses and suppliers for the best experience possible. Take in mind that some events out of our control could put in delay your order, like climatic events or logistic problems. In this case we will do the best for resolve the issue and we will get in touc withyou. So we can delete any order that can’t fit with out service, and we will not take any responsability or any feedback for this. We will work together for finding the best solution that will fit for you. ?? TiAIN Coating? Each drill bit surface of this cobalt drill bit set is coated with TiAIN coating. Compared to ordinary drill bits, it can achieve faster cutting speed and also cut harder materials. The service life of drill bits can also be extended by nearly 5 times. ?? Multifacet Tip Design? HSS cobalt drill bit set for hardened steel has a special design of multifacet tip at the head, which greatly improves the drilling efficiency compared to ordinary drill bits. It is suitable for hardened steel with excellent cutting performance. ?? Various Sizes? 29 sets of drill bits include 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64″, 3/8″, 25/64″, 13/32″, 27/64″, 7/16, 29/64, 15/32″, 31/64″, 1/2, can meet more needs. L as plastics, wood etc. ?? M35 Cobalt Drill Bit? The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc. ?? Easy Storage? The drill set includes drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. 29 PIECES: 1/16″-1/2″. 1/8- 10 PIECES. 1/4- 10 PIECES. 3/8- 5 PIECES. 1/2- 5 PIECES. 29pcs Cobalt Drill with TiAIN Coating. 7.5 x 5 x 2.5 inches; 3.15 Pounds. Expital, we offer the best to you since the 2013.