45-degree Stock Lock Miter Bit (size 1 3/8) — single-piece cutter with 6.35mm shank for woodworking Key benefits Creates precise 45-degree lock miter joints for strong, self-aligning corners — ideal when tight, repeatable fits matter. Single-piece construction reduces setup variables and improves durability and repeatability compared with multi-piece assemblies. 6.35mm shank enables quick installation and secure grip in collets that accept that shank size. Sized for stock up to 1 1/2", giving capacity for common board thicknesses used in cabinets, frames, and trim. What it does and why you need it Cuts mating 45-degree profiles that lock together, producing clean corners without the need for extensive sanding or filler. Saves time on layout and fitting by producing accurate, interlocking joints in a single pass. Provides consistent edge geometry for repeatable production or precise one-off joinery. Compatibility and performance Shank: 6.35mm for straightforward installation in routers or shapers that accept this shank diameter. Cutter size: 1 3/8, capable of cutting stock up to 1 1/2". Designed for woodwork applications; single-piece design supports stable cutting and predictable results when used at appropriate router speeds and feed rates. Typical applications Picture frames and display boxes: produce tight, mitered corners with an interlocking profile for a cleaner look and stronger joint. Cabinet doors and casework: create long, structural corner joints for trim and face frames. Molding and trim work: form exact 45-degree decorative or structural joints that align consistently across multiple pieces. Specifications (as supplied) Angle: 45-degree lock miter Shank: 6.35mm Cutter size: 1 3/8 Maximum stock capacity: up to 1 1/2 Configuration: single piece Use with proper router speeds, clamping, and safety equipment. Follow tool and machine manufacturer guidelines for best results.