This M4x70mm Hex Head Cap Screw, crafted from high-strength Aluminum 6061, offers superior corrosion resistance and a lightweight profile. Engineered for demanding applications where performance and weight are critical.
| Standard | ASME B18 |
| Material | Aluminum 6061 |
| Finish | Plain |
| Grade | N/A |
| Size | M4 |
| Length | 70mm |
| Head Width | 16mm |
Precision-manufactured to tight tolerances, this M4x70mm Hex Head Cap Screw features a robust Aluminum 6061 alloy construction, renowned for its excellent strength-to-weight ratio and superior corrosion resistance, particularly in marine and aerospace environments. The M4 thread size ensures secure fastening in a variety of assemblies, while the 70mm length provides ample reach for thicker materials. The 16mm hex head width allows for efficient torque application with standard tools, ensuring reliable joint integrity. Aluminum 6061's inherent non-magnetic properties also make it suitable for sensitive electronic and medical equipment.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate tool (e.g., hex key or socket wrench) for the 16mm head width. 2. Engage the tool firmly with the hex head and thread the screw into the mating component. 3. Tighten to the specified torque value for the application, ensuring a secure connection without over-stressing the aluminum material.
| 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 aluminum fasteners | Use a torque wrench and adhere to manufacturer-recommended torque specifications to prevent stripping threads or deforming the material. |
| Using incompatible materials for mating components | When joining dissimilar metals, consider galvanic corrosion. Use insulating washers or coatings if necessary, especially in corrosive environments. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Marine hardware and fittings, Aerospace structural components, Electronic enclosures and assemblies, Lightweight prototyping and R&D.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||