fraisa.com 326 HRC 48-56 HRC 56-60 HRC > 60 Inox Stainless Ti Titanium d1 d2 d3 l1 l2 l3 l4 Lmax LK Rm 850-1100 HRC 24-34 Rm 1300-1500 HRC 42-48 Rm < 850 HRC < 24 Rm 1100-1300 HRC 34-42 Legend to the product page of drilling tools Shape of the shank / Shank versions Full carbide tools with a cylindrical shank: shank version in accordance with DIN 6535 HA Application suitability A blue background means that the tool is particularly suitable for this material. Full carbide tools with a cylindrical shank and a side clamping surface. Shank version in accordance with DIN 6535 HB Carbide Micro drills and Deep hole drills with cylindrical shank: Shank design to company standard. A light blue background means that the tool has good to adequate suitability for this material. Additional material which can be machined is stated in the additional field Abbreviations Diameter of the cutting edge [mm] Diameter of the shank [mm] Face-surface diameter on rose countersinks [mm] Total length of the tool [mm] Length of the chip groove [mm] Length of the 2nd step (Step drills) [mm] Length of the shank [mm] Maximum drilling depth of the tool Drill depth for chamfered edge (Step drills)
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