Arbor: 1 1/2", Range: 4"-5", R8 Shank Shell Face Mill Arbor Adapter Holder for Bridgeport - 7/16"-20, Fg22-8096. Arbor: 1 1/2", Range: 4"-5", R8 Shank Precision Shell End Mill Arbors FG22-8096. R8 Shank Shell Face Mill Arbor Adapter Holder for Bridgeport.
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