Features:This bit can be used for drawer and lock. The actual joint produced with this bit is stronger than the wood itself.Our router bits are manufactured using Tungsten Carbide The result is a highly durable bit that can be utilized for the most rigorous industrial applications. Precise， designer profiles create smooth and detailed cuts， perfect for projects of any level of complexity. Our bits are the preferred choice of professionals and hobbyists alikeBuild-up Resistant CoatingSpecifications:Shank Diameter: 1/4"Cutting Diameter:1"Cutting Length:1/2"Overall Length:1-3/4"H :1/8"Material: CarbidePacking Box Size: 35mmx 35mmx 96mmPackage included:1pcs 832541B router bitsRouter Bit Tips and Safety:>> Read the following instructions completely before router bit use. Failure to comply with instructions and warnings can result in serious bodily injury.>> Always wear protective eyewear when using power tools.>> Remove router bit protective coating before use.>> Inspect and tighten router bit components before use. DO NOT USE IF ANY FUNCTIONAL ROUTER BIT COMPONENTS CONTAIN CRACKS OR LOOSE HARDWARE.>> Insert at least 50% of router bit shank into router collet.>> Test router bit setup on scrap lumber.>> Follow chart below for suggested router speeds. Larger router bits require lower RPMs.>> Larger router bits require multiple passes to achieve smooth results. Router Safety Speeds (RPM)Bit Diameter Maximum Speedup to 1" 22，000 - 24，000 rpm1" - 2" 18，000 - 22，000 rpm2" - 2-1/2" 12，000 - 16，000 rpm2-1/2" - 3-1/2" 8，000 - 12，000 rpm