Engineered for superior performance, this M20 x 128mm hex head cap screw is crafted from robust Aluminum 6061. It offers exceptional strength-to-weight ratio for critical structural and mechanical assemblies.
| Standard | ASME B18 |
| Material | Aluminum 6061 |
| Finish | Plain |
| Grade | N/A |
| Size | M20 |
| Length | 128mm |
| Head Width | 25mm |
Purpose-built for heavy-duty applications, this M20 x 128mm hex head cap screw is manufactured from high-strength Aluminum 6061 alloy. This material provides excellent corrosion resistance and a favorable strength-to-weight ratio, making it ideal for aerospace, automotive, and industrial structural components. The M20 thread size ensures substantial load-bearing capacity, while the 128mm length allows for secure fastening in thicker materials. The 25mm head width facilitates reliable torque application with standard tooling. Its precise dimensions and material composition guarantee dependable performance in demanding environments where both strength and lightness are paramount.
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. Apply appropriate lubricant to threads if recommended for the application. 3. Engage the screw and tighten to the specified torque using a calibrated torque wrench.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | 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, which can strip threads or deform the material. | Adhere strictly to the recommended torque specifications for the fastener and the materials being joined. |
| Using the wrong tool size, leading to head damage or inefficient tightening. | Utilize the correct size wrench or socket that precisely fits the 25mm hex head. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Structural framing and support systems, Automotive chassis and suspension components, Aerospace assembly and lightweight structures.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||