Engineered for superior performance, this M18 x 84mm Hex Head Cap Screw is crafted from robust Aluminum 6061 alloy. It offers excellent strength-to-weight ratio and corrosion resistance for critical industrial applications.
| Standard | ASME B18 |
| Material | Aluminum 6061 |
| Finish | Passivated |
| Grade | N/A |
| Size | M18 |
| Length | 84mm |
| Head Width | 24mm |
Designed for demanding industrial environments, this M18 x 84mm Hex Head Cap Screw features a precision-machined M18 thread and a total length of 84mm. The head boasts a 24mm width for reliable torque application. Constructed from Aluminum 6061, it provides excellent tensile strength (approx. 310 MPa) and yield strength (approx. 276 MPa) with superior corrosion resistance, making it ideal for aerospace, automotive, and structural applications where weight reduction and durability are paramount. Its non-magnetic properties further enhance its utility in sensitive electronic 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. Hand-thread the screw to confirm alignment and prevent cross-threading. 3. Tighten to specified torque using an appropriate wrench, avoiding over-tightening.
| 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) |
|---|---|---|
| M18 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M18 | 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 force leading to thread stripping. | Consult torque charts for Aluminum 6061 fasteners and use a calibrated torque wrench. |
| Mating with damaged or incorrect thread sizes. | Visually inspect both the screw and the receiving thread for damage and confirm thread pitch and diameter before assembly. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Automotive chassis and engine assemblies, Lightweight industrial machinery 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. | ||||