Big Tool GKP3.9 Moonlight Drill Blister Pack, 0.1 inch (3.9 mm), Metal and Metalworking

The shape of the tip of the blade has been adopted with a unique technology to achieve amazing sharpness. [Uses] Stainless steel, hardworking material, general steel, mild steel, pipe, etc. [Functions and Features] Drilling ability, cutting ability, and cutting discharge capabilities have been greatly improved. Durability is 5 to 10 times more than conventional products, and does not require any drilling holes. Unique blade shape creates sharp edge at the tip and greatly reduces cutting resistance and allows for quick drilling. The unique groove shape allows for a wider passage. Specifications: Size: 0.1 inches (3.9 mm). 1 piece Drill Speed: 500 - 1000 RPM Drill machine estimated (circular): 0.17 - 0.26 m/s Compatible models: Electric drills, air drill, drill machine. Material: Cobalt high-speed steel (HSCO-M35). Product Size: Width 1.5 x Height 3.1 x Depth 1.5 inches (3.9 x 80 x 3.9 mm); Weight: 0.2 oz (5.4 g); Product Code: 4582247452195; JAN Code: 4582247452195; Brand Name: Big Tool; Product Name: Moonlight Drill Blister Pack; Standards: Before work; Please be sure to wear protective glasses and gloves. Yes...

• Blade diameter: 0.15 inches (3.9 mm) groove length: 2.0 inches (51 mm) total length: 3.1 inches (79 mm) shank diameter: 0.15 inches (3.9 mm) effective processing depth: 3D (blade diameter x 3 times )
• Cobalt High Speed Steel (HSCO-M35)