3 FLUTES COUNTERSINKS KIT TYPE SET 06 Polledri Srl Polledri's Catalogue, Countersinks Promo Sets, Countersinks, News, Polledri's technology, Countersinks Promo Sets, Countersink and Deburring Tools Kit 3 flutes countersinks 90° HSS 5% Co. Include diameters 8,3 – 10,4 – 12,4 – 16,5 – 20,5 for M4 – M5 – M6 – M8 – M10 Available: without coating, TiN coated, TiAlN coated On demand: different coating on demand, 3 flated shanks. 3 FLUTES, HSS-E, 5% COBALT, COUNTERSINKS SET 23 May 2018