SP16009 | Pilot Pin 6.34mm x 160mm To Suit 14-17mm MAX100 Cutters A pilot pin serves three main purposes:. Ejects the slug at the end of the cut. Provides coolant feed into the centre of the cutter. Locates the centre of the cut Specifications Diameter: 6.34mm Annular Cutter Depth of Cut: 100mm – Suit MAX100 (14 – 17mm Ø) Overall Length: 160mm