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The Milwaukee 49-05-0051 is a genuine OEM industrial-grade steel flange nut designed for securing grinding and sanding attachments to 5/8 in.-11 spindles. It functions by clamping 7/8 in. hub depressed center wheels securely between the flange nut and the tool's back flange to prevent slipping during high-torque operations.
Features
Engineered for 4-1/2 in. and 5 in. sanders and grinders
Secures depressed center wheels, grinding discs, and diamond blades
Clamps wheel between flange nut and back flange
Requires spanner wrench for tightening and removal
