Blade Diameter D: 0.18 inches (4.5 mm); Total Length L: 3.9 inches (100 mm); Effective Length: 19.9 gal (503 mm) blades greatly improve workability and economy. Features exceptional durability (compared to our company) Perforation speed up (compared to our company) Allows for drilling closer to a true circle. Improved positioning performance Applications: For drilling holes in concrete, blocks, mortar, and kiln siding. For the underhole of concrete nails. (φ2.5, φ2.8) Specifications: Blade Tip Diameter: Screw Type: φ0.1 - 0.6 inch (2.5 - 14.5 mm) Delta Shaft: φ0.1 - 0.1 inch (3.0 - 4.4 mm) Compatible Motor: Electric Drill (Use with Vibrating Drill) (Manufacturer) Miyanaga
●真円に近い穴あけを実現
●位置決め性能が向上