Genuine Gühring 3660 PM FIRE industrial roughing end mill. Brand: Gühring Part/Article No.: 3660 Diameter: 20 mm Cutting length: 38 mm Overall length: approx. 104 mm Flutes: 4 Material: HSS-E-PM / PM30 Coating: FIRE Standard: DIN 844K Type: GS 40 fine-tooth roughing end mill Helix: 30° Right-hand cutting Suitable for heavy-duty milling/roughing applications. The cutter shows signs of previous use/storage, including some surface marks and wear, as visible in the photographs. Please study all photographs carefully as they form part of the description. A genuine professional-quality Gühring cutter, ideal for engineering, machining and milling applications.