This M7x126mm hex head cap screw is engineered from high-performance polycarbonate, offering exceptional strength, chemical resistance, and electrical insulation. Its robust design ensures reliable fastening in demanding industrial and specialized applications.
| Standard | DIN 933 |
| Material | Polycarbonate |
| Finish | Passivated |
| Grade | N/A |
| Size | M7 |
| Length | 126mm |
| Head Width | 18mm |
Manufactured under strict quality controls, this M7x126mm hex head cap screw boasts a head width of 18mm, providing ample surface area for torque application. The polycarbonate material exhibits excellent tensile strength, impact resistance, and superior corrosion immunity compared to metallic fasteners, making it ideal for wet, chemical, or saline environments. Its inherent dielectric properties ensure effective electrical insulation, preventing current leakage in sensitive assemblies. Operating temperature range is crucial for maintaining structural integrity; consult material data sheets for specific environmental limitations.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating threads are clean and free from debris. 2. Hand-thread the screw to engage initial threads smoothly. 3. Utilize appropriate tooling to tighten the hex head, applying controlled torque to achieve desired clamping force without over-stressing the polycarbonate.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening, leading to thread stripping or material deformation. | Use a torque wrench set to the recommended value for polycarbonate fasteners. Avoid excessive force. |
| Using in applications exceeding the operational temperature range of polycarbonate. | Verify the ambient and operational temperatures against the material's specifications to prevent embrittlement or softening. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Chemical processing equipment, Marine and offshore installations, Electrical enclosures and control panels.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||