Engineered for superior performance, this M4 x 108mm Hex Head Cap Screw features a robust polycarbonate construction. Its exceptional strength-to-weight ratio and chemical resistance make it ideal for critical fastening applications.
| Standard | ASME B18 |
| Material | Polycarbonate |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M4 |
| Length | 108mm |
| Head Width | 36mm |
Trusted by engineers across multiple sectors, this M4 x 108mm Hex Head Cap Screw offers exceptional performance and reliability. Manufactured from high-impact, chemically resistant polycarbonate, it provides a durable and lightweight alternative to metal fasteners. The M4 thread size ensures compatibility with standard metric components, while the generous 108mm length and 36mm head width provide ample surface area for secure tightening and load distribution. Its excellent dielectric properties and non-corrosive nature make it suitable for environments where electrical conductivity or corrosion are concerns.
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. Hand-thread the screw to confirm alignment and prevent cross-threading. 3. Tighten using an appropriately sized hex wrench, 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 | 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) |
|---|---|---|
| M4 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M4 | 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 potential thread stripping or head deformation. | Apply torque gradually and avoid exceeding the recommended clamping force for polycarbonate materials. |
| Using inappropriate tools that can damage the hex recess. | Utilize high-quality hex wrenches or drivers that precisely fit the head recess to prevent cam-out and damage. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Electrical enclosures and equipment mounting, Medical device assembly, 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. | ||||