This M9 x 51mm Hex Head Cap Screw, crafted from high-strength Aluminum 6061, offers exceptional corrosion resistance and a superior strength-to-weight ratio for critical applications.
| Standard | DIN 933 |
| Material | Aluminum 6061 |
| Finish | Passivated |
| Grade | N/A |
| Size | M9 |
| Length | 51mm |
| Head Width | 29mm |
A high-performance industrial component, this M9 x 51mm Hex Head Cap Screw is manufactured from Aluminum 6061, a precipitation-hardening alloy known for its excellent corrosion resistance, good strength, and weldability. With a nominal diameter of M9 and a length of 51mm, it features a substantial 29mm hex head width, providing ample surface area for torque application. This specification makes it suitable for applications requiring a balance of lightweight design and robust fastening capabilities in corrosive environments, such as marine fittings, aerospace structures, and automotive assemblies.
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 thread lubricant if specified for the application. 3. Torque the M9 hex head cap screw to the manufacturer's recommended torque specification using a calibrated torque wrench.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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-torquing the aluminum screw, leading to thread stripping or yielding. | Always use a calibrated torque wrench and adhere to recommended torque values for Aluminum 6061 fasteners. |
| Using the wrong tool for tightening, potentially damaging the hex head. | Utilize a properly sized and quality hex socket or wrench to ensure full engagement with the head. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Marine hardware and assemblies, Automotive chassis and body applications.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||