Achieve Superior Finishes with Winona Van Norman's Innovative Tumbling Media - 5/8" x 3/4" Size Plastic Tumbling Cones Effortless Finishing: Our unique cone-shaped plastic media delivers exceptional results, producing a smooth, consistent finish with minimal shine. Ideal for a wide range of applications, including:Anodizing Prep: Creates a perfectly uniform surface for optimal anodizing results.Injection & Compression Molding: Smooths and refines parts for a professional appearance.3D Printing: Removes imperfections and achieves a high-quality surface finish.Deburring & Smoothing: Gently removes burrs and sharp edges from soft metals like brass, zinc, and aluminum.Large Rock Tumbling: Effectively polishes rocks and minerals to a smooth, natural finish. Rock Tumbling Applications Unmatched Grit Delivery: Our plastic tumbling media effectively picks up and holds grit, ensuring maximum contact with your parts and rocks.Superior Surface Coverage: The small size of our media allows it to reach and smooth even the most intricate surfaces, including hard-to-reach areas and crevices.Increased Efficiency: Experience faster and more thorough finishing results by maximizing the points of contact between your grit and your parts. Perfect Your Injection-Molded Parts with WVN's Plastic Tumbling Media Ideal for Injection Molding: WVN's plastic tumbling media delivers exceptional results on a wide range of injection-molded parts, from simple to complex shapes.Suitable for All Production Volumes: Whether you're producing in low volumes or high-volume manufacturing, our media provides consistent and reliable finishing.Protects Internal Features: Our unique cone-shaped media is particularly effective for parts with holes, preventing burrs from rolling inside and ensuring a clean, finished product.Improve your injection molding finishing process. Perfect Finish for 3D Printed Parts Preserve Your 3D Printed Investment: Additive manufacturing creates parts layer by layer, often leaving delicate surfaces. Our plastic tumbling cones provide a gentle yet effective way to smooth and refine your 3D printed creations.Reach Every Detail: Our cones gently abrade surfaces, reaching into intricate geometries and hard-to-reach areas without damaging delicate features.Achieve a Professional Finish: Enhance the aesthetics and functionality of your 3D printed parts with a smooth, consistent finish.Protect your 3D printed investment. Perfect the Finish of Your Compression Molded Parts with Gentle Tumbling Enhance Your Compression Molded Products: Compression molding uses pressure and heat to shape raw materials into complex forms. Our plastic tumbling cones provide a gentle yet effective way to refine the surface finish of your compression-molded parts.Smooth and Consistent Results: Our cones gently remove minor imperfections, leaving a smooth and consistent finish that enhances the aesthetics and quality of your products.Ideal for Compression Molding: Experience a superior finish without compromising the integrity of your compression-molded parts.Elevate the quality of your compression-molded products. Highest Quality for your satisfaction Superior Performance:Hole-Friendly: Cone shape prevents burr rolling into holes, ensuring consistent and thorough finishing.Lightweight: 30% lighter than ceramic media, reducing handling and processing costs.Gentle & Effective: Does not discolor metals or peen over burrs, ensuring a pristine finish.Durable & Reliable: Made from a robust blend of 50% silica and 50% resin for long-lasting performance. Winona Van Norman, a family-owned business We are a family-owned and operated business in the Midwest. We have generations of knowledge and experience in machine building, metal cleaning, and engine rebuilding. We build our own tumblers, from industrial-scale to consumer home use. We know our tumbling media and are proud to share our line of plastic tumbling cones with you, whatever your needs may be. Your satisfacion is our priority. Made proudly in the U.S.A.