Engineered for reliability, this M20x128mm Hex Head Cap Screw in Aluminum 6061 offers superior corrosion resistance and a high strength-to-weight ratio for demanding industrial applications.
| Standard | ASME B18 |
| Material | Aluminum 6061 |
| Finish | Passivated |
| Grade | N/A |
| Size | M20 |
| Length | 128mm |
| Head Width | 22mm |
A proven choice for industrial professionals, this M20x128mm Hex Head Cap Screw is fabricated from high-quality Aluminum 6061, renowned for its excellent corrosion resistance and good mechanical properties. With a nominal diameter of M20, a length of 128mm, and a head width of 22mm, it provides robust fastening capabilities for applications where weight reduction and environmental resilience are critical. Aluminum 6061 offers a balance of strength, formability, and weldability, making these screws suitable for diverse structural and assembly needs across various industries.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free of debris. 2. Hand-thread the screw to confirm proper engagement and alignment. 3. Torque to the manufacturer's recommended specification using an appropriate 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 |
|---|---|
| Overtightening, leading to thread stripping or material deformation. | Always use a calibrated torque wrench and adhere to recommended torque values for Aluminum 6061 fasteners. |
| Using the wrong thread pitch for the mating component. | Verify the thread pitch of the screw (M20) matches the internal or external threads of the component being fastened. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace and automotive structural components, Marine and outdoor equipment assemblies, Lightweight machinery and automation frames.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||