Engineered for superior performance in challenging environments, this M7 x 143mm polycarbonate hex head cap screw offers exceptional durability and non-conductive properties. Ideal for applications where corrosion resistance and electrical insulation are critical.
| Standard | ASME B18 |
| Material | Polycarbonate |
| Finish | Galvanized |
| Grade | N/A |
| Size | M7 |
| Length | 143mm |
| Head Width | 27mm |
Precision-manufactured to tight tolerances, this M7 x 143mm polycarbonate hex head cap screw boasts a robust head width of 27mm, ensuring secure seating and reliable torque transfer. Constructed from high-impact polycarbonate, it exhibits excellent chemical resistance and a high strength-to-weight ratio, making it suitable for demanding industrial and specialized applications. The material's inherent non-conductive nature provides vital electrical insulation, preventing short circuits and ensuring safety in sensitive electronic assemblies. Its corrosion-free composition guarantees longevity in humid or corrosive atmospheres where metal fasteners would degrade.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free from debris. 2. Hand-thread the screw initially to prevent cross-threading. 3. Tighten using an appropriate wrench or socket, applying gradual torque until the desired clamping force is achieved. Avoid over-tightening to prevent stripping the polycarbonate threads.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| Tensile Strength | Standard Commercial Spec |
| Yield Strength | Standard Commercial Spec |
| Hardness | Varies by specific batch |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening leading to stripped threads. | Use a torque wrench set to the recommended specification for polycarbonate fasteners. Stop tightening once the desired clamping force is achieved. |
| Using metal tools that can damage the polycarbonate head. | Employ tools specifically designed for plastic fasteners or ensure that metal tools are used with extreme care to avoid marring the head surface. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Electrical enclosures and equipment assembly, Medical device manufacturing, Corrosive chemical processing environments, Automotive interior components.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||