SIZESuitable for 1/4 (6.35mm) shank hand drill bits, stand motor drive drill bits. cutting diameter length: 7.93/9.52/12.7mm.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, pylons and other wall tools to create keyhole hangers or to create grooves for cables. FEATURESThe 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. 1/2' hex screws; 1 x T-Slot Cutter for 3/8'' Hex Screws; 1 x T-slot cutter for 5/16 hex screws. Product T-slot cutter for milling T-slots, suitable for metric hex screws or slotted nuts. A variety of specifications and patterns for different cutting needs to fulfill your DIY dreams. TECHNICAL SPECIFICATIONS: Length: 46mm br/> Material: YG6X carbide Shank diameter: 12.7mm, 9.52mm, 7.93mm 1 x T-slot cutting tip for 5/16 hex screw & 34; 1 x T-slot cutting point for 3/8" hex screw 1 x T-slot cutting point for 1/2" hex screw Hardened carbide cutting edges (YG6X carbide). With clean cutting, even rotation, torsional resistance and strength. Precisely ground shank for stable hold in the pliers . Smooth rotation, good wear resistance and long service life. The coating of the milling bodies allows better chip evacuation and reduced friction. Shaft diameter: 6.35 / 8 mm, suitable for most brands of machines with shaft support 6.35 / 8 mm. Grinders made from YG6X are more durable and sharper than most other grinders made from YG8: compared to YG8, the grinding speed is doubled and the durability is extended. Installation Guide: It is important to use normal case dimensions. The tool should be fully inserted into the case and firmly tightened. Apply clamping force during the cutting process and insert it partially into the housing, otherwise the tool shank will be damaged. The router set is used for professional carpentry and can be used for different types of wood: medium-soft hardwood, medium density fiberboard, plastic, plywood. How to use: 1. The temperature of the material becomes very high and even smoke is produced during long periods of operation. Please always note that the refrigerant must be topped up during operation. 2. Replace the appliance with a new tool to avoid the breakage of the cutting tool or an accident with injury if the woodwork of the router are dull. 3. Please use the cutting tool to select the blade larger than the work object. 4. Wear safety glasses during operation.