SIZE：Suitable for 1/4 (6.35mm) shank hand drill bits, stand motor drive drill bits. cutting diameter length: 8 / 9.52 / 12.7mm. MATERIAL：This product uses yg6 hard alloy with sharp edge, high hardness, precise positioning, smooth cutting and impact resistance.< /p> APPLICATION：These 5/16 end mills are suitable for solid wood panels, MDF, particle board, design profiles, for smooth and thorough cuts as well as for the production of stylish furniture. They are also suitable for milling grooves on picture frames, panels, clocks, towers and other wall tools to create keyhole hangers or to create grooves for cables. FEATURES：The Hard alloy blade has high quality welding to provide stable quality and high efficiency, without worrying about broken and sloping issues during your work. The blade is sharp and durable, adopts arc curve design, advantageous to pull out, punching is more efficient. T-slot milling cutter for T-slot milling, suitable for metric or hex screws to slotted nuts. A variety of specifications and patterns for different cutting needs to fulfill your DIY dreams. TECHNICAL SPECIFICATIONS: Length: 46 mm Material: YG6X carbide Shank diameter: 12.7mm, 9.52mm, 8mm 1 x T-slot cutting point for 5/16 hex screw 1 x T-slot cutting point for 3/8 hex screw 1 x T-slot cutting point for 1/2 hex screw Shipping quantity: 3 pieces Note: The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain difference in color, the specific received in kind shall prevail.