3R-491E
For copper or graphite electrodes. NOTE: The electrode is installed with screw and adhesive assembly, or alternatively brazing.
3R-491E-HP
Top and bottom faces parallel-ground to within 0.002 mm. NOTE: The electrode is installed with screw and adhesive assembly, or alternatively brazing.

3R-321.2-4x90°
Hydraulic chuck with set screws, for mounting on a lathe taper.
3R-651.7E-S
Hardened reference element for copper electrodes and workpieces. Note: Must be mounted on the copper blank/workpiece before it is locked in a chuck. Note: For graphite electrodes, spacer plate 3R-658.1E-S is required.
3R-651.7E-XS
Hardened reference element for copper electrodes and workpieces. Note: Must be mounted on the copper blank/workpiece before it is locked in a chuck. Note: For graphite electrodes, spacer plate 3R-658.1E-S is required.
3R-651.7E-P
Hardened and precision-cast, with clearance holes for four fixing screws. Note: Must be mounted on the workpiece/fixture before it is locked in a chuck.
3R-601.7E-P
Hardened and precision-cast, with clearance holes for four fixing screws. Note: Must be mounted on the workpiece/fixture before it is locked in a chuck.
3R-651.75E-P
Hardened and precision-cast with clearance holes for eight fixing screws. Note: Must be mounted on the workpiece/fixture before it is locked in a chuck.
3R-601.52
Hardened, with 3Refix holes and clearance holes for ten fixing screws.