Union Butterfield 4111-3 taper shank sleeve adapter, part number 3210047. Designed for adapting taper shank tooling to machine spindles, providing secure mounting and accurate alignment for drilling and reaming operations.

Union Butterfield Union Butterfield Taper Sleeve, Standard Length, Series: SB470, #1 Inside Morse Taper, #3 Outside Morse Taper, 3-15/16 in Overall Length, HSS.

• Steam oxide surface finish prevents corrosion
• Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
• Morse taper shank allows the tool to be inserted directly into the machine's spindle to facilitate high torque applications such as large cut diameters
• Heat treated externally ground
• Standard reducing sleeve inside
• Hardened and ground throughout