OSG EX Gold Drill, General Machining Stub Type, Blade Diameter 1.25mm, 60412 EX-GDS-1.25, 1 Piece

Catalog number: EX-GDS-1.25 Features: ●High-rigidity groove form and stub groove length provide high efficiency and high precision, making it ideal for tapping pilot holes and lathe processing. ●The center of the drill tip uses a new R blade shape based on Hosoi theory. ●High speed and high feed are possible. Step cutting is not required as the chips are broken into transition fracture shapes. ●TiN coating is used, which has excellent wear resistance and adhesion resistance. ●The groove form is a high-rigidity type with a thick core. ●The positional accuracy of the processed hole is stable, so punching and centering are not required. Applications: ●Cutting materials: low, medium, and high carbon steel, alloy steel, cast iron, tempered steel, tool steel, ductile cast iron, aluminum alloy casting, Inconel, magnesium alloy. Specifications: ● Blade diameter (mm): 1.25 ● Groove length (mm): 8 ● Total length (mm): 40 ● Shank diameter (mm): 3 ● Effective machining depth: ~4D (blade diameter x ~4 times) ● Surface treatment: TiN coating Material/Finish: ● Cobalt high speed steel (HSS-Co)