Alfa Main Catalogue Page 113
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WELDON HSS-CO-ECO The all-purpose-weapon: ALFRA ROTABEST® HSS-CO-ECO Core drill WELDON The ROTABEST ECO-models are genuine golden boys – not only from a visual viewpoint. Due to the Weldon shank they are perfect partners for all core drilling machines with a weldon toolholder. Another advantage is the long service life • With Weldon shank 19.0 mm, 2 driving surfaces • Internal bore: 6.35 mm • Steel quality: Special super high speed steel cobalt • Polished section: with pre- and post-cutter FEIN-QUICKIN HSS-CO-ECO The compatible one : ALFRA ROTABEST® HSS-CO-ECO Core drill FEIN-QUICKIN For those, who doesn’t like renouncing: You are working with a Fein-metal core drilling device with QuickIn tool holder? Due to the ROTABEST ECO-models with FEIN-QUICKIN shank you can rely on proven Alfra-quality. • Suitable for FEIN magnetic drilling machines with Quick-IN arbor. • Special shank, 18.0 mm with 4 bearing recesses • Internal hole 6.4 mm • Steel quality: Special super high speed steel cobalt UNIVERSAL HSS-CO-ECO The universal one: ALFRA ROTABEST® HSS-CO-ECO Core drill UNIVERSAL One for all: Because of the universal shank our allrounder is fitting with a variety of tool-holder-designs and especially with Nitto One Touch devices. • New Combi universal shank specially for Nitto one touch machines • Also suitable for all magnetic drilling machines with Weldon shank • Internal bore 6.35 mm • Steel quality: Special super high speed steel cobalt • Polished surface: with pre- and post-cutter WELDON HSS-CO-RQX The endurance runner: ALFRA ROTABEST® HSS-CO-RQX Core drill WELDON When it’s getting hot: The specially coated RQX Models are providing full performance even when the temperature is rising up to 1000 ° C. For example when it comes to long lasting drilling processes or horizontal drilling without coolant. • With Weldon shank 19.0 mm, 2 driving surfaces • Internal bore 6.35 mm • Steel quality: Special super high speed steel cobalt, coated • Polished section: with pre- and post-cutter 113
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