Product Description

Sewon PM Tech Co,. Ltd. have been specializing in such Powder Metallurgy products as automotive, mechanical and electronic parts etc.
It is needless to say that cost and quality have been always the most important topics in manufacturing industries.

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 .***3" T.I.R. to the O.D. Other I.D. sizes are held within .***5" T.I.R. No-Counterbore bushings are standard with Acme
Finish Ground bushings, 1/8" to 1" I.D., are held within .***3" concentricity T.I.R. (Total Indicator Reading). Other sizes are held within .***5" T.I.R. • Unground bushings with .**0/.**0 grinding stock on the O.D. are concentric within .**6". The letter U as a suffix to the ANSI symbol indicates an unground O.D. for custom grinding. • Lengths longer than ANSI Standard or relieved bushings will meet the above tolerances at the drill exit end only.