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• RotaMagic Super Concentrated Coolant extends the life of cutting tools & annular cutters
stainless steel and some plastics
The Hougen split point quickly starts the hole and the double angled flutes increase penetration speed
Modified end tooth geometry is also available for drilling in stacked plate applications
Hougen Step Drills allow the convenience of drilling multiple size holes using one drill bit
Hougen 12451 51MM X 50MM "12,000-Series" Annular Cutter 12000 Series Cutter Kits • RotaMagic Super Concentrated CoolantItem Details For use with Hougen Portable Magnetic Drills and many competitive models on materials up to 275 BHN (28. 5 HRC). They are made of hardened M2 high speed steel and are precision ground for excellent performance throughout the cut and long tool life. They require less horsepower and thrust to cut, and last much longer than traditional holemaking methods. "12,000 Series" cutters have a 3 4" diameter double flatted shank. Modified end tooth