Although size and material are important, precision and incremental sizes are vital with tolerance of 0.005mm (5µm) for the smallest diameters to H7 for the larger sizes being essential with some being available in 0.01mm (10µm) increments.

The new, extended range of miniature slot drills from Toolex, including ball end types for machining slots for circlips, O-rings and other round materials, all meet the highest precision specifications and are available from stock for immediate delivery.