Engineered for demanding environments, this M7x143mm Hex Head Cap Screw features a robust polycarbonate construction. Offering exceptional impact resistance and corrosion immunity, it ensures reliable fastening in critical applications.
| Standard | ASME B18 |
| Material | Polycarbonate |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 143mm |
| Head Width | 25mm |
Trusted by engineers across multiple sectors, this M7x143mm Hex Head Cap Screw is manufactured from high-performance polycarbonate, renowned for its superior impact strength, excellent dielectric properties, and resistance to a broad spectrum of chemicals. The M7 thread provides secure engagement, while the substantial 25mm head width ensures even load distribution, minimizing stress on mating components. This combination of material and design makes it an ideal choice for applications requiring non-conductive, lightweight, and durable fastening solutions where traditional metal fasteners may compromise performance or safety.
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 verify alignment and prevent cross-threading. 3. Use an appropriate size hex driver to tighten the screw to the required torque, avoiding over-tightening to prevent material deformation.
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the polycarbonate screw, leading to thread stripping or head cracking. | Utilize a torque wrench and adhere to recommended torque specifications for polycarbonate fasteners. Hand-tighten and then apply only the necessary torque for a secure fit. |
| Using the wrong size hex driver, which can round the hex head and make removal difficult. | Always use a precisely sized hex driver that fits snugly into the screw head to ensure proper engagement and prevent damage. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Electronics enclosures and assemblies, Medical equipment and devices, Aerospace and automotive components, Corrosive chemical processing environments, Applications requiring electrical insulation.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||