Straight Shank

Straight Shank

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. 

Supplied in 90º, 100º and 120º as standard with other angles such as 82º available on request with little increase in price or lead time.

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90° / 100° / 120°

Product Code Pilot Diameter Inclusive Angle Body Diameter Shank Diameter Overall Length Shank Length
5855-3/32-90 3/32 90 0.170 3/16 2.1/2 1.3/4
5855-3/32-100 3/32 100 0.190 3/16 2.1/2 1.3/4
5855-3/32-120 3/32 120 0.190 3/16 2.1/2 1.3/4
5855-1/8-90 1/8 90 0.228 3/16 2.1/2 1.3/4
5855-1/8-100 1/8 100 0.252 3/16 2.1/2 1.3/4
5855-1/8-120 1/8 120 0.252 3/16 2.1/2 1.3/4
5855-5/32-90 5/32 90 0.275 3/16 2.1/2 1.3/4
5855-5/32-100 5/32 100 0.340 3/16 2.1/2 1.3/4
5855-5/32-120 5/32 120 0.340 3/16 2.1/2 1.3/4
5855-3/16-90 3/16 90 0.360 3/16 2.1/2 1.3/4
5855-3/16-100 3/16 100 0.405 3/16 2.1/2 1.3/4
5855-3/16-120 3/16 120 0.405 3/16 2.1/2 1.3/4
5855-7/32-90 7/32 90 0.440 3/16 2.1/2 1.3/4
5855-7/32-100 7/32 100 0.440 3/16 2.1/2 1.3/4
5855-7/32-120 7/32 120 0.440 3/16 2.1/2 1.3/4
5855-1/4-90 1/4 90 0.470 3/16 2.1/2 1.3/4
5855-1/4-100 1/4 100 0.530 3/16 2.1/2 1.3/4
5855-1/4-120 1/4 120 0.530 3/16 2.1/2 1.3/4
5855-1/4-120 1/4 120 0.530 3/16 2.1/2 1.3/4