Trend Professional Slotting & Grooving Cutters Standard Duty Arbor for 1/4" Bore Slotters Ref: 33/60X1/4 Key Features: Standard duty arbor with 1/4 inch spindle and spacers Enables mounting of 1/4 inch bore slotters with and without bearings in a variety of positions Use shims/spacers to prevent bearings with larger diameters, touching the tips of the slotters and also for accurate spacing Items included: 1 x Arbor 1 x Spacer 5 mm 3 x Spacer 3 mm Specification:​ OL: 63.5 mm (overall length) Spigot diameter: 1/4 inch Spigot diameter: 6.35 mm Spigot length incl thread: 35.5 mm Spigot thread length: 14.5 mm Shank Diameter: 1/4 inch