8-520-0015 - R8 Shell End Mill Arbor, R8 x 1 - Industrial Solutions Hardened and ground Prevents run-out of your cutting tools Shank traverse ground to obtain optimum accuracy Meets or exceeds ANSI specifications Arbor dia: 1Inch, For Range of Shell End Mill: 2-1/4 to 2-3/4Inch. For holding saws or small cutters, R8 style replacement for Bridgeport type machine. R8 Stub Milling Machine ArborProduct descriptionFor bore in shell mill: 3/4For Range of Shell End Mill: 2-1/4 to 2-3/4For the bridge port - 7/16-20Product application:For holding saws or small cuttersFeature:R8 Style replacement for Bridgeport Type MachineHardened and ground throughout to assure maximum concentricity. Package Included: 1 x Milling Arbor. OSCARBIDE WCMT050304 (WCMT2.52) Carbide Turning Inserts,WCMT Inserts CNC Lathe Insert For Indexable Lathe Turning Tool Holder Insert Replacement,10 Pcs/Pack $ 15 Brand New 1Inch R8 Shank Shell Mill Arbor Adapter, 7/16 Inch - 20 Rear Pull Tail Wire Face End Mill Cutter, Replacement for Bridgeport Machine Manufacturer model: Does not apply 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... R8 SHANK TO 3/8"-24 THREADED DRILL CHUCK ARBOR ADAPTER SUPERIOR QUALITY STEEL