All American Type PM Bushing, 17mm ID x 26mm OD x 36mm L, Drill Bushing C1144 Steel, Heat Treated to Rockwell C62 to 64 Made in USA
- I.D. Tolerance of +.0001/.0005
- Concentricity of 0 to .0003 Total indicator reading maximum
- Heat treated to Rockwell C62 to 64.
- No Counterbored