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316L Slotless Lead Sealing Screws M4-M8 Anti-Drill Marine Grade
Product Details:
| Place of Origin: | China |
| Brand Name: | guanbiao |
| Certification: | ISO9001 |
| Model Number: | M4, M5,M6, M8 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 50000 |
|---|---|
| Price: | Negotiable |
| Packaging Details: | Plastic bag + carton + pallet |
| Delivery Time: | 15-20 work days |
| Payment Terms: | T/T |
| Supply Ability: | 5000000 |
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Detail Information |
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| Drive Style: | Slotless | Color: | Customizable |
|---|---|---|---|
| Package: | Plastic Bag | Standard: | ISO, Non-standard |
| Production Process: | Cold Heading, Cold Forging | Length: | 16mm-50mm |
| Head Size: | M4, M5,M6, M8 | Use: | For Electric Meters |
| Customize: | Can Customize As Your Drawing And Design | Affordable: | Yes |
| Material: | A4-80 Stainless Steel | Quantity: | 50000 Pieces |
| Tooth Size: | Customizable | Rustproof: | Yes |
| Highlight: | 316L slotless lead sealing screws,M4-M8 anti-drill electric meter screws,marine grade sealing screws |
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Product Description
316L Slotless Lead Sealing Screws - Anti-Drill Hole - Marine Grade - Corrosion Proof - M4 to M8 Sizes
Product Attributes
| Attribute | Value |
|---|---|
| Drive Style | Slotless |
| Color | Customizable |
| Package | Plastic Bag |
| Standard | ISO, Non-standard |
| Production Process | Cold heading, cold forging |
| Length | 16mm-50mm |
| Head Size | M4, M5, M6, M8 |
| Use | For electric meters |
| Customize | Can Customize As Your Drawing And Design |
| Affordable | Yes |
| Material | A4-80 Stainless Steel |
| Quantity | 50000 Pieces |
| Tooth Size | Customizable |
| Rustproof | Yes |
Product Description
Military-grade slotless sealing screws for coastal use. 316L stainless steel, Ø2.0mm drill-proof hole, no drive slots. Withstands salt spray 1000hrs. M4-M8 sizes. Electropolished. Custom hole patterns.
Defeat professional tampering with marine-grade slotless screws featuring a hardened tungsten-carbide insert in the Ø2.0mm vertical hole. Constructed from A4-80 stainless steel (316L), these screws destroy drill bits during removal attempts. The electropolished finish prevents saltwater corrosion while the zero-drive-slot design complies with highest security standards (IEC 62055 Grade D).
Technical Specifications
| Thread Size | M4, M5, M6, M8 |
| Head Type | Round Head with Reinforced Hole |
| Total Length (L) | M4: 16-25mm; M6: 25-40mm; M8: 30-50mm |
| Thread Length | Full Thread (L-4mm) |
| Head Diameter | M4: 7.5mm; M6: 11mm; M8: 13mm |
| Drive Type | Slotless |
| Material | A4-80 Stainless Steel (316L) |
| Surface Treatment | Passivation + Electropolishing (Ra 0.2µm) |
| Customization | Custom hole patterns, laser serial marking |
Primary Uses & Applications
- Offshore oil/gas metering
- Coastal utility substations
- Military equipment sealing
- High-value cargo containers
- Pharmaceutical batch security
How to Use
- Install with torque limiter (Max 1.2Nm for M6).
- Pass armored seal wire through carbide-lined hole.
- Apply serialized marine-grade seal.
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