This M7x128mm Hex Head Cap Screw, manufactured from robust Aluminum 6061, offers excellent strength-to-weight ratio and superior corrosion resistance for critical fastening applications.
| Standard | ISO 9001 |
| Material | Aluminum 6061 |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 128mm |
| Head Width | 20mm |
Trusted by engineers across multiple sectors, this M7x128mm Hex Head Cap Screw is precision machined from Aluminum 6061, a widely recognized alloy for its excellent corrosion resistance, moderate strength, and good weldability. The M7 thread size ensures secure engagement with standard tapped holes or nuts, while the 128mm length provides ample reach for joining thicker components. With a head width of 20mm, it allows for efficient torque application using standard hex tools, ensuring reliable and consistent assembly in demanding environments. Ideal for aerospace, automotive, and marine applications where weight and corrosion are key considerations.
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 screw through the components to be joined. 3. Tighten the screw using an appropriate hex wrench until the desired torque is achieved, avoiding over-tightening.
| 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) |
|---|---|---|
| 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 |
|---|---|
| Using excessive torque, which can strip threads or damage the aluminum material. | Refer to material specifications or use a torque wrench set to the recommended value for Aluminum 6061 fasteners. |
| Not cleaning the mating threads, leading to difficult installation and potential thread damage. | Thoroughly clean both the screw and the receiving threads before assembly. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Automotive chassis and body assembly, Marine equipment and fittings.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||