This M18 x 124mm Hex Head Cap Screw, crafted from robust Aluminum 6061, offers superior corrosion resistance and a high strength-to-weight ratio, ideal for critical fastening needs.
| Standard | ASTM A106 |
| Material | Aluminum 6061 |
| Finish | Galvanized |
| Grade | N/A |
| Size | M18 |
| Length | 124mm |
| Head Width | 15mm |
Specified by design engineers worldwide, this M18 x 124mm Hex Head Cap Screw is manufactured from Aluminum 6061, a precipitation-hardening alloy offering excellent mechanical properties and good corrosion resistance, particularly in marine and industrial environments. With a nominal thread diameter of M18 and a length of 124mm, its hex head measures 15mm across the flats, ensuring compatibility with standard tooling for secure tightening. The material's inherent lightness makes it suitable for weight-sensitive applications where performance cannot be compromised. Ideal for aerospace, automotive, and marine sectors.
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 proper engagement. 3. Torque to manufacturer specifications using a calibrated torque wrench.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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 | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-torquing the aluminum screw, leading to thread stripping or deformation. | Always adhere to recommended torque values for Aluminum 6061 fasteners and use a calibrated torque wrench. |
| Using dissimilar metals in contact without proper isolation, potentially causing galvanic corrosion. | Employ isolating washers or coatings when joining Aluminum 6061 screws with other metallic components, especially in corrosive environments. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Automotive chassis and engine assembly, Marine hardware 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. | ||||