Robert Charles 5855 3/32" 100° Piloted Countersink

These straight shank piloted countersinks are used regularly by Airbus, Rolls Royce, Mclaren F1, Lotus F1, Williams F1 and many more. An extremely versatile tool which is designed predominantly for preparing an existing hole for riveting, but also used for precise countersinking when the extra support of a pilot is required. The popular 5855 range is also known as a ‘stem’ or ‘open’ countersink.