2-1/4" Treaded Birch Wheel — Large-Scale Wooden Toy & Model Wheel with Authentic Tire Detailing The 2-1/4" treaded birch wheel is a robust, CNC-turned wooden wheel featuring a well-defined tire tread pattern, a generous 3/4" thickness, and a 3/8" center bore. Built for model vehicle makers, toymakers, STEM classrooms, and DIYers, this wheel is sized for medium and large rolling models, construction projects, and functional, load-bearing educational setups where realism, stability, and sturdy performance truly matter. Its unfinished surface gives users full flexibility for finishing, decorating, or integrating into unique projects. Key Features Realistic treaded edge adds life-like appearance to trucks, tractors, and transport models 3/4" thick hardwood supports strong rolling action and durability for functional toy builds 3/8" center bore fits thick axles, dowels, and pegs, ensuring sturdy and wobble-free mounting Uniform diameter and tight roundness tolerance for even, steady wheels in group builds Sanded, unfinished birch readily accepts paint, stain, or woodburned details for custom looks Available in small packs or bulk for classrooms, workshops, or manufacturing runs Specifications Diameter: 2-1/4" (57.15 mm) Thickness: 3/4" (19.05 mm) Hole Size: 3/8" (9.53 mm) Material: Kiln-dried birch hardwood Style: Treaded, carved circumference Finish: Unfinished, sanded smooth Roundness Tolerance: ±0.01" (±0.25 mm) Available Pack Sizes: 4, 20, 100, 500, bulk Suggested Uses This wheel is ideal for robust model trucks, tractor trailers, or rolling props in school science demos and mechanical displays. Its large, thick design is also popular for building kinetic marble runs, engineering project kits, pull wagons, and classroom vehicle kits that teach principles of friction and motion. For a unique touch, use the treaded rim as a playful border in large wall clocks or equipped as rotating platforms in interactive educational exhibits—projects where scale and visible realism set your work apart. Frequently Asked Questions Does the tread pattern run around the entire wheel?Yes, the carved tread is continuous for full tire-like detail from any view or angle. Will a 3/8" dowel or axle fit properly in the wheel hole?The wheel’s bore is matched for a secure fit with standard 3/8" axles used in many kits and builds. How do I finish or decorate the wheel for my project?The birch wood is sanded and unfinished, so you can paint, stain, or detail for your desired look—light sanding before finishing is always recommended. Are these suitable for rolling toys and school projects?Yes, the thickness and hardwood construction provide excellent support for moving models and interactive STEM builds. Can I buy in bulk for a classroom or maker workshop?Packs and bulk order options are available for large group or production use. Will the wheels remain round and uniform from batch to batch?All wheels are turned and finished to tight tolerances for consistent shape, rolling action, and fit. Is this wheel appropriate for replacement or restoration of vintage toys?Its authentic scale and craftsmanship make it an excellent match for both new builds and classic toy restoration. Is the edge comfortable to handle or paint?The sanded birch edge is smooth and splinter-free for easy paint application and safe assembly. Choose the 2-1/4" treaded birch wheel for model, education, or decor projects where scale, traction, and durable function are essential—crafted for builders who want authentic results every time.
