Ring mandrel, Steel Graduated with Grove by Pepetools
Ultra Precision Calibrated Steel Ring Mandrels by Pepetools. Precisely machined in carbon tool steel to assure accuracy, and then hardened. Laser etched to a depth of .015” to .040” with ring sizes 1 to 16 by 1/4 sizes. Overall length 12-1/2”. Made in USA by Pepetools.
- Hardened and polished high grade steel
- Calibrated to ISO specifications
- Accurate within +/- 1.5µm
- US Sizes 1-16
- Packaged in protective reusable case