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The M&R Parts Department will be closed on Good Friday, April 3rd, 2026.

Please note that NO ORDERS can be filled on this day. We will re-open on Monday, April 6th, 2026.

We appreciate your patience. Thank you for your patronage with M&R!
Standard ANSI
Pitch 5 mm
Teeth 64
Bore Diameter 5/8"
Outside Diameter 4.125"
Face Width 0.50"
Material Steel
Overall Length 1-1/8"
Finish Black

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