Glass bead shot blasting is a versatile finishing method for metal parts, delivering a uniform matte finish, deburring, and surface refinement without altering tolerances. This guide highlights five highly relevant glass bead products and explains how to choose the right media for your cabinet or gun blasting system. Each product is selected for consistency, particle size options, and the ability to blend surface defects while preserving the underlying material.
| Product | Brand | Mesh / Size | Best For |
|---|---|---|---|
| #10 Glass Beads – 10 lb | HDURCIR | #10 (Medium) 100-170 Mesh | General cleaning and finishing on metal parts |
| Glass Bead #13 Sand Blasting Media – Ultra-Fine | Winona Van Norman | 170-325 Mesh | Matte finish and defect blending on complex shapes |
| #12 Glass Beads – 10 LBS | Industrial Mineral Supply | 140-230 Mesh | Cleaning and finishing without tolerances shift |
| #10 Glass Beads – 10 LBS | Industrial Mineral Supply | 100-170 Mesh | Finishing and bead peening effects |
| Glass Bead #13 Sand Blasting Media – Finest | Winona Van Norman | 170-325 Mesh | Precision surface prep and deburring on intricate parts |
#10 Glass Beads – 10 lb (HDURCIR)
HDURCIR’s #10 glass beads provide a medium-grade abrasive suitable for blasting cabinets or sand blasting guns. The 10 lb package is ideal for small to medium batch work, offering consistent round beads that promote uniform cleaning, surface refinement, and a gentle finish on metals such as steel and aluminum. This size supports deburring while avoiding aggressive material removal, making it a practical choice for pre-coating preparation and cosmetic finishing.
Glass Bead #13 – Ultra-Fine (10 LBS)
Winona Van Norman’s ultra-fine #13 glass beads (170-325 mesh) are designed for precise surface finishing. They yield a matte finish and excel at blending surface defects on complex shapes. The beads are suitable for metal cleaning and polishing across a range of materials, including stainless steel, brass, aluminum, and plastics. They also effectively deburr tools, machine parts, castings, and dies without removing critical tolerances, making them a strong choice for high-precision prep work.
#12 Glass Beads – 10 LBS (Industrial Mineral Supply)
The 140-230 mesh glass beads from Industrial Mineral Supply offer rounded particles ideal for cleaning and finishing without altering dimensional tolerances. They effectively prepare metal surfaces by removing oxidation and minor imperfections while leaving a smooth, sealed look. The media is also suited for bead peening, which can improve surface finish and seal small pores in the coated or painted metal, enhancing longevity and appearance.
#10 Glass Beads – 10 LBS (Industrial Mineral Supply) – Fine
This 100-170 mesh variant from Industrial Mineral Supply provides a fine finish appropriate for precision cleaning and finishing tasks. It cleans metal parts without introducing ferrous pollutants, maintains tolerances, and blends machine marks, producing a refined surface suitable for subsequent coatings and decorative applications. The fine grade is well-suited for smaller parts or delicate assemblies.
Glass Bead #13 – Finest (20 LBS)
Winona Van Norman’s finest grade #13 (170-325 mesh) media in a 20 lb bag is designed for high-precision surface prep. It excels at matte finishing and defect blending on intricate shapes, while safely cleaning and polishing diverse materials such as stainless steel, brass, aluminum, and plastics. Deburring is also improved through controlled bead impact, helping to prepare parts for coating or assembly without altering critical dimensions.
Buying Guide
- Particle size and mesh: Choose mesh according to surface texture needs. Coarser meshes (e.g., 100-170) remove material faster and produce a rougher finish, while finer meshes (170-325) yield smoother, satin-like results and better defect blending.
- Media composition and finish: Glass beads provide a clean, non-marking finish that reduces ferrous contamination and laser marks. Consider bead hardness and roundness for consistent results across batches.
- Cabinet vs. open blasting: For delicate parts, select media that delivers uniform coverage with minimal lot-to-lot variance. Ensure your blasting cabinet or gun settings are compatible with the chosen mesh size and material.
- Surface compatibility: Metals like stainless steel, aluminum, brass, and steel react differently to bead blasting. Higher-mrequency impacts from finer beads can polish surfaces without altering tolerances; coarser beads remove more material.
- Deburring and defect removal: If deburring is a priority, select media with proven performance on edges, burrs, and nicks, especially for tools, gears, dies, and castings.
- Maintenance and cleanliness: Glass bead media tends to be reusable after screening for contaminants. Proper filtration and cleaning extend bead life and protect downstream coatings.
- Safety and environment: Use appropriate PPE and ensure proper ventilation when blasting. Glass bead media can create fine particulates; follow local regulations for handling and disposal.
- Cost and availability: Higher-purity, finer grades may carry higher costs. Evaluate the volume needed per project and consider a mix of mesh sizes to cover different stages of finishing.
- Quality control: Inspect finished surfaces for uniform matte appearance, absence of pitted areas, and consistent edge definition. Random sampling helps verify batch consistency.