Feature●Dimensions: Small diameter 0.7 inches (17 mm) x Serving length 0.6 inches (1.5 mm) x Blade length 10.6 inches (270 mm) x large diameter 0.9 inches (22.2 mm) x total length 13.4 inches (340 mm) x shank diameter 0.8 inches (20 mm) x 3 inches (60 mm) dent●Material: SKH50●Surface Treatment: No●Left screw 40°●Angle: 45°●Non-ferrous metals, carbon steel, alloy steel, cast iron, dice steel.Description
左ネジレ40°が切削抵抗を少なくします。