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52 ISCAR GENERAL PURPOSE DRILLINGExchangeable Drilling HeadsThe H3P %u2026 and F3P %u2026 exchangeable drilling heads are made of IC908 TiAlN PVD nano layer coating grade for prolonged and predictable tool life. The geometry is suitable for machining both ISO P and ISO K materials - steel, ferritic and martensitic stainless steel, and cast iron. The QUICK-3-CHAM exchangeable drilling heads are designed with self-centering point geometry to guarantee drilling process stability, good centering, and smooth penetration into the material capabilities. The patented, durable, and precise chisel point combined with an appropriate gash angle successfully stands against a heavy cutting load. Patented concave cutting edges result in smooth and stable drilling together with a wavy edge shape that significantly contributes to generating optimal chip form and simplifying the chip evacuation process. The corner chamfer improves wear resistance and strengthens the cutting edge. Drill BodyThe QUICK-3-CHAM drill body is based on a variable flute helix angle principle. This provides a durable body structure to resist high axial load and improve the dynamic rigidity of the body. The body is made from a high-grade steel tool with superior hardness for high wear resistance. A helical margin prevents chip adhesion between the body and the drilled hole. QUICK-3-CHAM tools are designed with internal coolant channels that supply efficient cooling and lubrication during the drilling process.variable flute angle** optimized chip evacuation* strengthens the tool (especially during exit with high feed)enlarged flute volume for easy chip evacuation3 coolant nozzles aimed to the cutting edgesmarginpolished flutecylindrical shank & one parallel flat shank based on ISO 9266