- Taper ground to AT3 or better to ensure 80% taper contact
- 1/8”, 1/4”, 3/8” and 1/2” ground arbor spacers included with every holder
- h6 precision ground pilot for concentric and repeatable mounting diameter
Lyndex-Nikken C50BH-1500-1.75 Boring Head Arbor | Shank & Adapter