Dongguan Guanbiao Hardware Products Co., LTD
| Payment Terms | T/T |
| Supply Ability | 5000000 |
| Delivery Time | 15-20 work days |
| Packaging Details | Plastic bag + carton + pallet |
| Drive Style | Slotless |
| Color | Customizable |
| Package | Plastic Bag |
| Standard | ISO, Non-standard |
| Production Process | Cold heading, cold forging |
| Length | M4: 12-20mm; M5: 16-25mm; M6: 20-30mm |
| Head Size | M4-M6 |
| Use | For electric meters |
| Customize | Can Customize As Your Drawing And Design |
| Affordable | Yes |
| Material | Stainless Steel |
| Quantity | 50000 Pieces |
| Tooth Size | Customizable |
| Rustproof | Yes |
| Brand Name | guanbiao |
| Model Number | M4, M5,M6 |
| Certification | ISO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000000 |
| Delivery Time | 15-20 work days | Packaging Details | Plastic bag + carton + pallet |
| Drive Style | Slotless | Color | Customizable |
| Package | Plastic Bag | Standard | ISO, Non-standard |
| Production Process | Cold heading, cold forging | Length | M4: 12-20mm; M5: 16-25mm; M6: 20-30mm |
| Head Size | M4-M6 | Use | For electric meters |
| Customize | Can Customize As Your Drawing And Design | Affordable | Yes |
| Material | Stainless Steel | Quantity | 50000 Pieces |
| Tooth Size | Customizable | Rustproof | Yes |
| Brand Name | guanbiao | Model Number | M4, M5,M6 |
| Certification | ISO9001 | Place of Origin | China |
| High Light | 304 stainless steel tamper proof screws ，electric meter sealing screws M4 M6 ，slotless security screws with warranty | ||
Genuine tamper-proof slotless lead sealing screws. 304 stainless steel, no drive slots, round head with Ø1.8mm hole. Sizes: M4x12mm to M6x25mm. Passivated finish. Custom lengths. IEC 62055 compliant.
Revolutionize meter security with **true slotless lead sealing screws** featuring **zero drive slots** and a **precision-drilled vertical hole** (Ø1.8mm) in the round head. Machined from **A2-70 stainless steel (304)**, these screws eliminate all tool-gripping surfaces, forcing would-be tamperers to destroy the seal for removal. The passivated finish resists corrosion in outdoor electrical enclosures.
TECHNICAL SPECIFICATIONS | |
| Thread Size | M4, M5, M6 |
| Head Type | Dome Round Head with Signal Hole |
| Total Length (L) | M4: 12-20mm; M5: 16-25mm; M6: 20-30mm |
| Thread Length | Full Thread (L-3mm) |
| Head Diameter | M4: 7.0mm; M5: 8.5mm; M6: 10.0mm |
| Drive Type | Slotless |
| Material | A2-70 Stainless Steel (304) |
| Surface Treatment | Passivation (Matte Finish) |
| Customization | Non-standard lengths, hole diameters |
Primary Uses & Applications:
- Electricity meter sealing
- Gas/water meter security
- Transportation fare boxes
- Voting machine tamper proofing
- Regulatory compliance seals
How to Use:
1. Insert screw through secured component.
2. Hand-tighten until head contacts surface.
3. Thread **government-approved lead seal wire** through head hole.
4. Crimp seal with **calibrated sealing pliers**.
Company Details
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-3000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi... Dongguan Guanbiao Hardware Products Co., Ltd., established in 2013, is a screw hardware processing factory integrating R & D, production and sales, focusing on electronic and electrical appliances, computer radiator, communication equipment, lighting, motor, motor, medical equipment, sports equi...
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