Sandvik CoroDrill Delta-C Solid Carbide Drill (720) 1220 R840-1425-50-A1A 1 piece

Catalog number: R840-1425-50-A1A Features: ● A solid drill that can achieve high precision and good surface roughness. ● TiN/TiAlN multi-layer coating enables long and stable tool life. ● An all-purpose material that can be applied to any work material. ● The A1A suffix is ​​an internal lubrication type. ● A solid carbide drill for high productivity hole drilling. Applications: ● For drilling any work material. ● For pilot hole drilling for taps. Specifications: ● Blade diameter (mm): 14.25 ● Groove length (mm): 83 ● Total length (mm): 133 ● Shank diameter (mm): 16 ● Effective machining depth: 3 to 5D (blade diameter x 3 to 5 times) ● Tip angle (°): 140 ● Surface treatment: TiAlN coating ● Lubrication type: Internal lubrication type ● Maximum machining depth (mm): 68.8 Material/Finish: ● Carbide (HC)