This 1/4 inch (.250") solid carbide spade drill is made in the U.S.A. and is used for drilling holes in hardened metal. In knife making, these drill bits are often used to create (or enlarge) holes in knife blades, tangs, guards and other areas. Because these knife making drill bit, are solid carbide, they are exceptionally strong and hold their edge against many hardended steels. If you are building a knife or modifying an existing blade, carbide spade drills are what you need. Use them with light oil when drilling and do not force them into the material. Let the spade drill do the work at its own pace. Properly used, you can drill hole after hole through the toughest of steels.
Material: Solid Carbide Spade Drill
Size: 0.250 inches - (1/4)