1. The Morse taper end fits into a machine spindle and the Jacobs taper end is compatible with a Jacobs taper drill  Morse taper spindles are most often found on drill presses.
2. Manufactured from selected case-hardened steel, all arbors are case-hardened 54-58 HRC for increased resistance to wear
3. Precision grinding to very close tolerance with concentricity controlled to within 0.0004″ (10 microns) and accurately gauged self-locking tapers ensure close tolerance fir
4. Adapt Jacobs taper to: Morse taper, ISO taper, BT taper, and R8 Bridgeport taper.

RR manufactures the following types of Morse taper Arbors:

• Jacob Taper Arbor
• Taper Shank Arbor €“ DIN238 (B Type)