Series 91 weldon shank 2 flute slot drill peak power 7 piece cutter set is the latest enhancement of the SwissTech range that deliver superb performance when cutting difficult materials, even at high speeds. Features & Benefits • Designed for strength and rigidity to minimise vibration • Excellent performance at high speed cutting applications for improved productivity • Manufactured from premium PM (Powder Metallurgy) tool steel, with an excellent cutting geometry • Centre cutting • Weldon style shank manufactured to DIN 1835B standards & dimensions to meet DIN 844 • Shank diameter to h6 • 3-12mm range of end mills for high versatility • Enhanced by the SwissTech Peak Power coating & suitable for dry cutting applications • Higher oxidization resistance and hot-hardness than conventional TiALN or TiCN coatings to allow high thermal loads associated with high speed cutting applications Typical Applications • Milling Notes • Set contents (mm): 3, 4, 5, 6, 8, 10, 12 • Series 91