- Outside taper and arbor diameter concentric within .0002"
- Arbor diameter sized for precise fit on standard arbor style cutters and spacers
- Face is perpendicular to arbor within .0002"
- Keyed for positive drive
- Standard arbor nut included
- (3) arbor spacers included - (1) 1/4" & (2) 1/2"
- Exceed current industry standards for optimum performance
- Produced from mill certified, hardened alloy steels
- This product requires a Retention Knob fitted to your machine specs. These are available through Fitz-Rite Products.