Ratio Drill with Oil Feed

	Type RT 80 F DIN 6538
Manufacturing specifications	Point grinding: relieved cone with secondary flank Point angle: greater than standard (140º) Web thinned: Guhring web thinning form F Helix angle: standard Web thickness: greater than standard Web taper: none Flute form: smaller than standard Tolerance on diameter: h7 Oil feed adapter: central through the web Shank: reinforced, with longer whistle notch flat, according DIN 6537 HEK, h6 tolerance Other manufacturing specifications to DIN 6540.
Range of applications	Specially designed for materials with a tensile strength of up to approx. 1100 N/mm˛ as for example alloyed and unalloyed steels and stainless steels. A- and C-coated tools are also available, optimizing performance for special machining operations. Recoating is recommended when regrinding. C-tools can be recoated with TiN (S-coat). Advantages, Suggestions Vibrations and shocks that may occur during use are absorbed by the HSS body material holding the brazed carbide tip. Withstands distortion caused by less rigid machines. Produces short chips, including soft, longchipping steels, thanks to a specially conceived cutting point geometry. The optimised carbide grade and point geometry makes the use of highest speed and feed rates possible (see Guroguide), high alignment accuracy with small diameter tolerance and excellent surface finish. Pre-conditions for use Powerful machines. No play in spindle bearings. Alignment accurate tool holders. Max. concentricity error of clamped tools: 0.02 mm.
Sketch
Tool material	carbide
Cutting direction	right hand-cutting
Surface
Ø-range	9.50-25.50
Series No.	1443