Engineered for demanding environments, this M12 x 129mm polycarbonate hex head cap screw offers superior chemical resistance and excellent dielectric strength. Its lightweight design simplifies assembly and reduces overall product weight.
| Standard | ASME B18 |
| Material | Polycarbonate |
| Finish | Passivated |
| Grade | N/A |
| Size | M12 |
| Length | 129mm |
| Head Width | 22mm |
Specified by design engineers worldwide, this M12 x 129mm hex head cap screw is manufactured from high-performance polycarbonate, ensuring exceptional impact resistance, a broad operating temperature range, and superior dielectric properties. The M12 thread provides robust mechanical engagement, while the 129mm length offers ample grip for various joint thicknesses. The 22mm hex head width is optimized for standard tooling, facilitating efficient installation in applications where corrosion resistance, non-conductivity, and reduced weight are critical, such as in electrical enclosures, medical equipment, and chemical processing machinery.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select appropriate tooling with a 22mm hex drive. 2. Thread the M12 polycarbonate cap screw into the pre-tapped hole or through the mating components. 3. Apply torque incrementally until the desired clamping force is achieved, avoiding over-tightening which can damage 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 |
|---|---|
| Over-tightening the polycarbonate screw | Use a torque wrench set to a low to moderate setting appropriate for plastic fasteners to prevent stripping or cracking the threads. |
| Using incompatible thread-locking compounds | Ensure any thread-locking agents used are compatible with polycarbonate to avoid material degradation or embrittlement. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Electrical enclosures and panels, Medical device assembly, Chemical processing equipment, Corrosive environment fastening, Lightweight structural 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. | ||||