SIZE: Suitable for 1/4 (6.35mm) shank hand drills, stand motor drive drills. Cutting diameter length: 7.93 / 9.52 / 12.7mm. APPLICATION: These 1/4 shank router bits are suitable for solid wood panels, MDF, chipboard, design profiles, for smooth and detailed 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. 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 remove, perforation is more efficient.INCLUDE LIST: Package Contents: 1 x 1/2" Hexagon T-Slot Cutter; 1 x 3/8" Hexagon T-Slot Cutter; 1 x T-slot cutter for 5/16 hex screws.Product DescriptionT-slot cutter for milling T-slots, suitable for metric hex screws or slotted nuts.A variety of specifications and models for different cutting needs to make your DIY dreams come true.TECHNICAL SPECIFICATIONS:Length: 46mmMaterial: YG6X carbideShank diameter: 12.7mm, 9.52mm, 7.93mm1 x T-slot cutter tip for 5/16" hex screw1 x T-slot cutter tip for 3/8" hex screw1 x T-slot cutter tip for 1/2" hex screwCutting edges made of hardened carbide (YG6X carbide).With clean cutting, uniform rotation, torsion resistance and strength.Precisely ground shank for stable holding in the collet. Smooth rotation, good wear resistance and long service life. Coated milling bodies provide better chip evacuation and reduced friction. Arbor diameter: 6.35 / 8 mm, suitable for most brands of machines with 6.35 / 8 mm arbor holder. 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 the normal dimensions of the housing. The tool must be fully inserted into the housing and firmly clamped. Apply clamping force during the cutting process and partially insert it 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: hardwood medium-soft, medium-density fiberboard, plastic, plywood.Operating Instructions:1. The material temperature becomes very high and even smoke is produced during long periods of operation. Please always note that the coolant must be filled during operation.2. Replace the unit with a new tool to avoid cutting tool breakage or accident with injury if the router woodwork is dull.3. Please use the cutting tool to select the blade larger than the work object.4. Wear safety glasses during operation.