OSG Carbide Oil Hole ADO Drill 20D Type, Blade Diameter 4mm, 8706400

OSG Carbide Oil-Hole ADO Drill (Internal Lubrication Type) 20D Type, Blade Diameter 4mm, Shank Diameter 4mm, 8706400. This is a new, unopened item.
Although it is new and unopened, the outer box has dirt and scratches due to long-term storage.

ADO-20D-4

Features
Adopts EgiAs Coating to suppress wear with a wear-resistant layer and prevent crack propagation with nano-periodic lamination.
Adopts the new EgiAs coating, improving wear resistance and toughness.
Applications
Workpiece materials: Low, medium, and high carbon steel, alloy steel, tempered steel, hardened steel, stainless steel, tool steel, cast iron, ductile cast iron, copper alloys, aluminum alloy castings, titanium alloys, Inconel, magnesium alloys.
Product Specifications
Specifications and Standards
Cutting Diameter DC (mm): 4
Flute Length LCF (mm): 90
Overall Length OAL (mm): 140
Connection Diameter DCON (mm): 4
Coating: EgiAs Coating
Effective Machining Depth: 20D (20 times the blade diameter)
Material
Carbide
Weight and Unit of Mass
20g