Grinding Products

In-house grinding is a Tri Part distinction. We provide O.D., thru-feed, and in-feed grinding...

In-house grinding is a Tri Part distinction. We provide O.D., thru-feed, and in-feed grinding. Our state-of-the-art Studer S33 CNC O.D. Grinder is equipped with in process gauging and automatic offsetting. 3-2-1-0: Our typical in- house grinding tolerances:
3. .0003-inch diameter
2. .0002-inch circularity
1. .0001/1.00 inch straightness
0. Zero shaft lead (Ref. SAE J946 - Application Guide to Radial Lip Seals)

We provide a wide range of micro-finishes from Ra 32 through superior micro-finishes of Ra 2. Tri Part has the capability to analyze over 20 surface finish parameters.