Engineered for demanding environments, this M21x97mm Polycarbonate Hex Head Cap Screw offers superior corrosion resistance, electrical insulation, and high tensile strength. Ideal for critical assembly in harsh conditions.
| Standard | ISO 9001 |
| Material | Polycarbonate |
| Finish | Plain |
| Grade | N/A |
| Size | M21 |
| Length | 97mm |
| Head Width | 16mm |
Purpose-built for heavy-duty applications, this M21x97mm Hex Head Cap Screw is manufactured from robust Polycarbonate, offering exceptional impact resistance, chemical inertness, and a high tensile strength suitable for load-bearing applications. The M21 thread size ensures a secure, high-torque connection, while the 97mm length provides ample engagement for thick materials. Its 16mm head width is optimized for standard tooling, facilitating efficient installation. Polycarbonate's inherent dielectric properties make it ideal for environments where electrical conductivity is a concern, such as in electronic enclosures or control systems.
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 of debris. 2. Insert the M21x97mm Polycarbonate Hex Head Cap Screw into the pre-drilled hole. 3. Tighten using appropriate tooling to achieve 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 | ISO 9001 |
| 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) |
|---|---|---|
| M21 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M21 | 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 stripping or cracking. | Utilize a torque wrench and adhere to recommended torque specifications for polycarbonate fasteners to prevent damage. |
| Using excessive force with impact wrenches, which can damage the screw head or threads. | Employ hand tools or low-impact drivers for installation to maintain the integrity of the polycarbonate material. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Corrosive chemical processing equipment assembly, Electrical insulation in control panels and enclosures, Outdoor structural components requiring UV and weather resistance.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||