Welcome to our store! Suitable for 5/16 (8mm) shank hand drill bits, stand motor drive drill bits. cutting diameter length: 8/9.5/12.7mm. MATERIALThis product uses YG6 hard alloy with sharp edge, high hardness, precise positioning, smooth cutting and impact resistance. APPLICATIONThese 1/4 shank router bits are suitable for solid wood, MDF, chipboard, design profiles, for smooth and thorough cuts as well as for the production of stylish furniture. They are also suitable for milling grooves on 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 problems during your work. The blade is sharp and durable, adopts arc curve design, advantageous to pull out, punching is more efficient. INCLUDING THE LIST Package Content: 1 x T-slot cutter for 1/2 hex screws; 1 x T-slot cutter for 3/8 hex screws; 1 x T-slot bit for 5/16 hex screws. Due to manual measurement, the products you receive may have some dimensional errors Due to different monitors, the products you receive may be slightly different from the pictures Actual delivery quantity: 3 piece 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.