Union Butterfield® 4603 Single End Countersink, 90 deg, 1 Flutes, HSS, 3/8 in

• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials
• Alloy steel, aluminum, aluminum alloy, brass, bronze, carbon steel, cast iron, copper, copper alloy, free machining stainless steel, hardened steel, magnesium, nickel, nickel alloy, stainless steel, steel, structural steel, thermoplastics, thermosetting plastics, titanium and titanium alloy are applicable materials
• 3/4 in head diameter
• Single flute construction and low controlled relief assure the user of chatterless operation
• 1-1/16 in head length
• Best results obtained using high speeds and low feed
• Recommended that the predrilled hole be at least 10% of the countersink diameter

Union Butterfield® Countersink| Single End| Series: 4603| 2-5/16 in Overall Length| Straight Shank| 3/8 in Shank Dia| 1 Flutes| Right Hand Cutting| 90 deg Included Angle| HSS| Bright