Tamper-evident slotted lead screws. 304 stainless steel, partial thread, blunted point. Round head with Ø1.8mm hole. Sizes M4x12mm to M6x25mm. Passivated finish. IEC 62055 compliant.
Secure critical assets with **slotted lead sealing screws** featuring a **blunted self-tapping point** and **partial thread design** for rapid installation. Machined from **A2-70 stainless steel (304)**, these screws combine a **standard slotted drive** with a **vertical security hole (Ø1.8mm)** to enable lead seal attachment. Passivated finish resists weathering in outdoor electrical enclosures.
TECHNICAL SPECIFICATIONS | |
Thread Size | M4, M5, M6 |
Head Type | Round Head with Signal Hole |
Total Length (L) | M4: 12-20mm; M5: 16-25mm; M6: 20-30mm |
Thread Length | Partial Thread (50-60% of L) |
Head Diameter | M4: 7.0mm; M5: 8.5mm; M6: 10.0mm |
Drive Type | Slotted (Slot Width: 0.8mm) |
Material | A2-70 Stainless Steel (304) |
Surface Treatment | Passivation (Matte Grey), Customizable |
Point Type | Blunted Self-Tapping Point** (120° tip angle) |
Customization | Slot width/depth, thread ratio, hole diameter |
Primary Uses & Applications:
- Electricity meter sealing
- Water/gas valve security
- Transportation fare boxes
- Voting machine tamper evidence
- Regulatory compliance seals
How to Use:
1. **Press blunt point** against metal/plastic surface.
2. **Hand-tighten** with slotted screwdriver until seated.
3. Thread **lead seal wire** through head hole.
4. **Crimp seal** with calibrated pliers