All press fit bushings are lapped, honed or ground in the I.D. Bushings with I.D.'s of 1/8" to 1" are concentric within .0003" T.I.R. to the O.D. Other I.D. sizes are held within .0005" T.I.R. All unground bushings are left rough on the O.D. with concentricity of approximately .006" T.I.R. No-Counterbore bushings are standard with Acme.

DO NOT select both I.D. Fractional and I.D. Decimal search parameters; select decimal or fractional.
Directions- Highly recommended for first time users