This M12 x 139mm Polycarbonate Hex Head Cap Screw offers exceptional corrosion resistance and impact strength. Its lightweight design makes it ideal for applications where traditional metal fasteners are unsuitable.
| Standard | ASME B18 |
| Material | Polycarbonate |
| Finish | Plain |
| Grade | N/A |
| Size | M12 |
| Length | 139mm |
| Head Width | 10mm |
Designed for demanding industrial environments, this M12 x 139mm Hex Head Cap Screw is fabricated from high-grade polycarbonate, offering superior chemical resistance and dielectric properties compared to metal alternatives. The M12 thread size ensures robust engagement, while the 139mm length provides ample reach for various assembly needs. The 10mm head width facilitates standard tooling for secure installation. Its inherent UV resistance and ability to perform across a wide temperature range make it suitable for outdoor and extreme environmental exposures where galvanic corrosion or electrical conductivity are concerns.
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 of debris. 2. Hand-thread the cap screw into the receiving component to avoid cross-threading. 3. Use an appropriate wrench to tighten the screw to the desired torque, taking care not to overtighten, which could strip 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) |
|---|---|---|
| M12 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M12 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Overtightening, leading to thread stripping or head fracture. | Use a torque wrench and adhere to manufacturer-recommended torque specifications for polycarbonate fasteners. |
| Using metal tools that can scratch or damage the polycarbonate surface. | Employ plastic or coated tools to maintain the aesthetic integrity and surface finish of the cap screw. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Corrosion-sensitive equipment assembly, Electrical enclosures and insulation, Marine and chemical processing environments.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||