<br><b>About Drill Warehouse: </b> <br>Drill Warehouse has always devoted itself to providing drill products with excellent quality for the end-users. <br> <br>Three groups of edge, each blade in cutting process is responsible only for 1 / 3 of the workload, and inside each edge also has a cutting edge, also due to the edge,respectively, the burden of the characteristics of part of the cutting work, making the drill hole is not easy to produce the phenomenon of edge collapse. <br> <br><b>Specifications:</b> <br>Material:alloy <br>Color:silver <br>Length:65-70mm <br>Outside diameter Size: 15mm/0.59", 16mm/0.63", 18mm/0.71", 20mm/0.79", 21mm/0.83", 22mm/0.87", 25mm/0.98", 26mm/1.02", 28mm/1.10", 30mm/1.81", 35mm/1.38", 40mm/1.57", 45mm/1.77", 50mm/1.97", 53mm/2.09". <br>Chuck size:10mm <br>Appliacation:Can be used for bench drill, electric drill chuck with the use of machine tools <br> <br><b>Features:</b> <br>?Each edge is a part of the characteristics of the cutting work, making the hole is not easy to produce the phenomenon of collapse <br>?The stainless steel plate, steel, casting, Aluminum Alloy, iron and other kinds of metal plate drilling <br>?Chip removal, with excellent performance, sharp edge, wear-resistant <br> <br><b>Note:</b> <br>This product is not easy to cut a relatively thin metal material, can be cutting within the 2-5mm <br>stainless steel plate and the metal plate?15mm <br> <br><b>Package include:</b> <br>15 x Drill Bit Holes