Precision CNC Machined | Corrosion-Resistant Stainless Steel | Professional Grade
Product Overview
The SP006 Stainless Steel Weight Plate represents the pinnacle of precision engineering and material excellence. Manufactured from high-grade stainless steel and finished with CNC precision machining, these plates offer exceptional corrosion resistance, dimensional accuracy, and a premium aesthetic that stands apart from standard cast iron or coated plates.
Designed for discerning lifters, premium commercial gyms, and fitness brands seeking uncompromising quality, the SP006 delivers ±0.5% weight tolerance, a precision 50.4mm bore, and the natural durability of solid stainless steel—no paint to chip, no coating to rust, no compromise on performance.
Available in a full range of KG and LB increments, sold as pairs or complete sets, with optional grip handle integration, color-coded rubber rings, and custom laser engraving.
1. Key Features
| Feature | Benefit |
|---|---|
| Solid Stainless Steel Construction | Unmatched corrosion resistance – ideal for humid environments, garage gyms, coastal areas |
| CNC Precision Machined | Dimensional accuracy to 0.1mm – perfect fit on Olympic barbells |
| ±0.5% Weight Tolerance | Competition-grade accuracy for progressive overload and balanced lifting |
| Natural Stainless Finish | No paint, no coating to chip or peel – permanent premium appearance |
| Precision 50.4mm Bore | Smooth loading and unloading, reduced barbell sleeve wear |
| Customization Ready | Laser engraving, grip handles, color-coded rings available |
2. Material – Premium Stainless Steel
| Specification | Detail |
|---|---|
| Material Grade | 304 or 430 stainless steel (customizable) |
| Corrosion Resistance | Excellent – resistant to rust, sweat, moisture, and cleaning agents |
| Surface Finish | Brushed satin (standard); Polished mirror (optional) |
| Hardness | Consistent hardness across entire plate |
| Durability | Indefinite lifespan with proper care – no degradation over time |
Why stainless steel:
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No rust – unlike painted cast iron or chrome-plated steel
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No coating failure – the material itself is the finish
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Low maintenance – simply wipe clean
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Premium aesthetics – natural metallic luster that complements any gym environment
3. Precision Engineering – CNC Machined
| Parameter | Specification |
|---|---|
| Construction | CNC machined from solid stainless steel billet |
| Weight Tolerance | ±0.5% (competition grade) |
| Dimensional Accuracy | Diameter, thickness, and bore tolerance within 0.1mm |
| Balance | Perfectly balanced – no wobble or uneven rotation |
| Surface | Smooth machined finish with brushed satin appearance |
4. Technical Specifications – SP006 Series
| Parameter | 2.5kg / 5lb | 5kg / 10lb | 10kg / 25lb | 15kg / 35lb | 20kg / 45lb | 25kg / 55lb |
|---|---|---|---|---|---|---|
| Material | 304 stainless steel (CNC machined) | |||||
| Diameter | 140–200mm | 200–260mm | 320–350mm | 400–420mm | 450mm | 450mm |
| Thickness | 10–12mm | 14–18mm | 18–22mm | 22–24mm | 24–26mm | 28–30mm |
| Bore Diameter | 50.4mm ± 0.1mm (fits all Olympic barbells) | |||||
| Weight Tolerance | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% | ±0.5% |
| Finish | Brushed satin stainless (polished mirror optional) | |||||
| Grip Option | Integrated handle or recessed grip available | |||||
| Sold As | Pairs | Pairs | Pairs | Pairs | Pairs | Pairs |
5. Available Configurations
Individual Pairs
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KG: 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg
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LB: 5lb, 10lb, 25lb, 35lb, 45lb, 55lb
Complete Sets (Custom Configurations Available)
| Set Type | Contents |
|---|---|
| 150kg Set | Pairs of 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg |
| 200lb Set | Pairs of 5lb, 10lb, 25lb, 35lb, 45lb |
| 300lb Set | Pairs of 5lb, 10lb, 25lb, 35lb, 45lb (additional 45lb pairs) |
Custom sets available for wholesale orders.
6. Customization Solutions – OEM/ODM
| Customization Aspect | Options Available |
|---|---|
| Finish | Brushed satin (standard); Polished mirror; Sandblasted matte |
| Grip Design | Integrated handle; Recessed ergonomic grip; No grip |
| Logo / Branding | Laser engraved; CNC engraved; Deep embossed |
| Weight Markings | Laser engraved; CNC engraved; Color-filled |
| Color Coding | IPF/IWF standard rubber rings; Anodized aluminum rings |
| Weight Increments | KG or LB; Custom denominations |
| Packaging | Pairs in premium boxes; Sets in foam-lined cartons; Bulk export |
Minimum Order Quantities:
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Standard finish (brushed): 20 pairs per weight
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Custom finish/logo: 50 pairs per weight (negotiable)
Lead Time:
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Sample order: 3–4 weeks
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Standard production: 5–7 weeks for container orders
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Custom production: 7–9 weeks
7. Quality Control & Testing
| Test | Method | Standard |
|---|---|---|
| Weight Accuracy | 100% individual weighing with calibrated scales | ±0.5% |
| Dimensional Check | CNC coordinate measurement | Diameter ±0.2mm, thickness ±0.1mm |
| Bore Fit | Tested on 50mm gauge rod | 50.4mm ± 0.1mm |
| Material Verification | Spectrometer analysis | 304/430 stainless certification |
| Surface Finish | Visual inspection | No scratches, consistent grain |
| Balance | Dynamic balance test | No detectable wobble |
8. Production Capacity
| Capacity Metric | Specification |
|---|---|
| CNC Machining Capacity | 40+ precision lathes and machining centers |
| Stainless Steel Processing | Dedicated stainless steel production line |
| Daily Output | 2,000–3,000 plates |
| Monthly Output | 15,000+ pairs (30,000+ plates) |
| Annual Capacity | 180,000+ pairs |
9. Packaging Solutions
Retail-Ready Packaging (Pairs)
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Premium color box with foam inserts to protect finish
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Individual PE bag for each plate
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Labeling with SKU, weight, and barcode
Set Packaging (Premium)
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Branded cartons with foam inserts for complete sets
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Custom artwork for retail display
Bulk Export Packaging (Wholesale)
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Heavy-duty export cartons with reinforced corners
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Shrink-wrapped pallets with edge protectors
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Container optimization: 20GP / 40HQ loading plans provided
10. Target Applications & Customer Segments
| Customer Type | Value Proposition |
|---|---|
| Premium Fitness Brands (OEM) | Custom branding, premium packaging, stainless steel differentiator |
| High-End Commercial Gyms | Rust-proof durability, premium aesthetics, long-term investment |
| Coastal/Humid Environment Gyms | Corrosion resistance – ideal for beachfront, poolside, humid locations |
| Luxury Home Gym Builders | Premium material that complements high-end equipment |
| E-Commerce Retailers | Differentiated product line, premium price point |
11. Comparison: Stainless Steel vs. Alternatives
| Attribute | SP006 Stainless Steel | Hard Chrome Steel | Painted Cast Iron |
|---|---|---|---|
| Corrosion Resistance | Excellent – no rust | Good – may rust if scratched | Poor – chips lead to rust |
| Finish Durability | Permanent – material itself | Coating – can scratch | Paint – chips, wears |
| Weight Tolerance | ±0.5% | ±0.5% | ±2–3% |
| Aesthetics | Natural metallic luster | Mirror finish | Painted colors |
| Maintenance | Wipe clean | Wipe clean | Rust prevention required |
| Price Point | Premium | Premium | Standard |
| Lifespan | Indefinite | 10–20 years | 5–10 years |
12. Why Choose Us as Your Manufacturer?
| Advantage | Benefit |
|---|---|
| True Manufacturer | Direct factory access—no middleman margins |
| Stainless Steel Expertise | Dedicated stainless steel machining and finishing capabilities |
| CNC Precision | ±0.5% tolerance, 0.1mm dimensional accuracy |
| Permanent Finish | No coatings to fail – the material itself is the finish |
| Customization Ready | Full OEM capabilities—grip design, engraving, packaging |
| Quality Assurance | 100% weight inspection and bore verification |
| Global Export Experience | Proven logistics to North America, Europe, Australia, Asia |
