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| Categories | Eccentric Adjustment Screw |
|---|---|
| Brand Name: | guanbiao |
| Model Number: | 4.9*10.5 |
| Certification: | ISO, GB, BS, DIN, ANSI,JIS |
| Place of Origin: | China |
| MOQ: | 50000PCS |
| Price: | Negotiable |
| Payment Terms: | T/T |
| Supply Ability: | 100000PCS/day |
| Delivery Time: | 10-15 work days |
| Packaging Details: | Plastic bag 1 small box +outer carton +pallets |
| Material: | Stainless steel: 302,304,316 |
| Production Process: | Cold heading, cold forging |
| Surface finish/treatment: | polishing, passivation |
| Size: | 4.9*10.5 |
| Thread type: | machine thread |
| Package: | Small box, small color box, export carton, and put on strong wood pallet |
| Single: | 3.7g |
| Company Info. |
| Dongguan Guanbiao Hardware Products Co., LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
Cold Formed Eccentric Locking Shaft Carbon Steel & Stainless Steel Smart Locks & Window Hardware Custom OEM/ODM
We manufacture high-performance cold-formed eccentric locking shafts designed for smart locks and thermal break sliding windows, ensuring secure and smooth operation. Made from carbon steel (high strength) or stainless steel (corrosion-resistant), our shafts feature precise eccentricity for reliable locking mechanisms. We support full customization based on your drawings or samples, ensuring perfect compatibility with your hardware systems.

✅ Key Features:
✔ Optimized for Smart Locks & Windows – Ensures smooth engagement and long-term durability.
✔ Cold Forming Technology – Enhances mechanical strength (+25% vs. machined shafts).
✔ Corrosion-Resistant Options – Stainless steel (304/316) for outdoor & humid environments.
✔ Custom Eccentricity & Dimensions – Tailored to fit your lock or window mechanism.
✔ Fast Prototyping – Samples ready in 10-15 days after drawing approval.

Product parameters
| Specification | Material Options | Surface Treatment | Remarks |
|---|---|---|---|
| Production Process | Cold Forming | – | Enhances structural integrity |
| Standard Diameter | 1.0mm – 20mm (±0.05mm) | Custom diameters available | |
| Length Range | 2.0mm – 300mm (±0.1mm) | Extended lengths on request | |
| Material Grades | • Carbon Steel: SC435/10B21/20MnB4 • Stainless Steel: 302/304/316 | Other alloys (e.g., alloy steel) optional | |
| Hardness (HRC) | Carbon Steel: 28-32 Stainless: 20-25 | Adjustable per application needs | |
| Surface Finish | – | Carbon Steel: • Zinc plating (8-12μm) • Black oxide • Phosphating • Electro-galvanizing Stainless Steel: • Passivation • Electro-polishing • Sandblasting | RoHS compliant options available |
| Eccentricity Tolerance | ±0.03mm | – | Tighter tolerances achievable |
| Customization | Accept OEM drawings & samples | – | MOQ: 50,000 pcs Standard lead time: 30 days |

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