OTC has about the best selection of spindle nut sockets.

I found a 6 pronged one for my rear axle, sounds like the same size as yours, at Advanced Auto. It was listed for use on the front hub of a ford 4x4. good price too, considering I have only needed it once.

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-