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EXTSW Stepped 8.3 mm ID x 15 mm OD x 20 mm overall length
EXTSW 5/16 / 8.3 mm ID x 15 mm/.589" OD x .787"/ 20 mm overall length
Actual size .323” ID x .787” OD x .787” thick
Flange size is .787" OD x .079" Thick
Stepped .589 x .708"
Overall length 20 mm / .787"
(+/- .003 on ID, Flange OD and thickness and overall length dimensions)
(+.000/-.001 on 15 mm OD)
.030 inch Radius OD / slightly countersunk ID (no sharp edges)
