SIZESuitable for 5/16 (8mm) shank hand drill bits, stand motor drive drill bits. Cutting diameter length: 7.93/9.52/12.7mm. MATERIAL This product uses YG6 hard alloy with sharp edge, high hardness, precise positioning, smooth cutting, and impact resistance. APPLICATION These 1/4 shank router bits are suitable for solid wood, MDF, chipboard, design profiles, for smooth cuts and meticulous detailing, as well as for the production of stylish furniture. They are also suitable for milling grooves on frames, panels, clocks, columns, and other wall-mounted components to create keyhole hangers or cable management channels. FEATURES The hard alloy blade features high-quality welding for stable performance and high efficiency, reducing the risk of breakage or deflection during use. The blade is sharp and durable, with an arc curve design that facilitates chip removal and improves cutting efficiency.