1Inch R8 Shank Shell Mill Arbor Adapter, 7/16 Inch - 20 Rear Pull Tail Wire Face End Mill Cutter, Replacement for Bridgeport Machine

1Inch R8 Shank Shell Mill Arbor AdapterSpecificationMandrel Diameter: 1''Thread Size: 7/16''-20Shell Mill Range: 2-1/4 to 2-3/4''Accuracy: 0.0004''Features-The runout tolerance from R8 tool shank to face milling tool shank is Within 0004"-The bottom contact surface between the face milling cutter and the tool holder is precisely ground-The double-sided clamping key is not easy to shake left and right during cutting-Each key is milled finished and assemble into the tool holder with screwPackage Include1 x Milling Arbor

• Shaft Diameter: 1 inch, suitable for 2-1/4 to 2-3/4 inch shell end mills
• Material: The handle is made of drop forging alloy and heat treatment to 56-58HRc, which is strong and durable
• High Precision: Hardening and grinding to prevent the tool from jumping, and the handle passes through the ground to obtain the best precision
• Features: Double-sided clamping key is not easy to shake left and right during cutting
• Widely Used: Mainly used in CNC machining centers, CNC engraving machines, and can also be installed on ordinary milling machines