RUKO 101703E Step Drill, HSS-Co5, Size 3

The RUKO step drill is the ideal tool for sheet metal working. It's suitable for all standard industrial materials: nonferrous metal, special steel, thermoplastics, duroplastics as well as sheet metal up to 1/8" thickness. The two spiral flutes guarantee quiet running and high cutting performance. The chip flow is optimized, even long, non-breaking chips will be removed easily and it protects the cutting edges. The cone makes it easier to withdraw the tool from the material. With split point, Co5 cobalt alloy, ideal for high-alloyed chromium steel such as stainless and acid resistant steel.

• This durable and versatile tool will center, spot-drill, bore and debur-all in one smooth, high performance working cycle
• Drilling range in 9 steps: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"
• The RUKO Step Drill spiral flute is ground from the solid hardened form, a better and sharper cutting edge is achieved-without burrs
• Optimized chip flow protects the cutting edges and reduces cold weld marks, cutting performance and tool life is extended significantly
• With split point, Co5 cobalt alloy, ideal for high-alloyed chromium steel such as stainless and acid resistant steel