Engineered for demanding environments, this M9 x 78mm Hex Head Cap Screw is crafted from high-strength Aluminum 6061. Its superior corrosion resistance and lightweight properties make it the preferred choice for critical structural and mechanical assemblies.
| Standard | ISO 9001 |
| Material | Aluminum 6061 |
| Finish | Passivated |
| Grade | N/A |
| Size | M9 |
| Length | 78mm |
| Head Width | 8mm |
Purpose-built for heavy-duty applications, this M9 x 78mm Hex Head Cap Screw leverages the exceptional properties of Aluminum 6061 alloy. With a nominal thread diameter of M9 and a precise length of 78mm, it ensures accurate fitment in critical assemblies. The 8mm hex head width provides ample engagement for standard tooling, facilitating secure tightening and reliable load transfer. Aluminum 6061 offers an excellent strength-to-weight ratio, superior corrosion resistance in various environments including saltwater, and good machinability, making it ideal for aerospace, automotive, marine, and structural applications where performance and longevity 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. Hand-thread the screw to verify alignment and prevent cross-threading. 3. Tighten to the manufacturer's specified torque using appropriate tooling and a torque wrench.
| 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) |
|---|---|---|
| M9 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M9 | 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 thread stripping or material fatigue. | Always adhere to recommended torque specifications for the specific application and material. |
| Using the wrong size or type of tooling, which can damage the fastener head. | Utilize the correct size hex socket or wrench that fits snugly to ensure proper engagement and prevent cam-out. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Marine hardware and fittings, High-performance automotive assemblies.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||