Engineered for superior performance in corrosive environments, this M19 x 121mm Hex Head Cap Screw, manufactured from high-strength Aluminum 6061, offers exceptional corrosion resistance and a favorable strength-to-weight ratio for critical fastening applications.
| Standard | ASME B18 |
| Material | Aluminum 6061 |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M19 |
| Length | 121mm |
| Head Width | 9mm |
Specified by design engineers worldwide, this Hex Head Cap Screw is precisely machined from Aluminum 6061-T6 alloy, renowned for its excellent corrosion resistance, moderate to high strength, and good weldability. The M19 nominal thread size ensures robust mechanical engagement, while the 121mm length provides ample reach for substantial joint assemblies. The 9mm nominal head width ensures compatibility with standard tooling for secure installation and disassembly. This material is ideal for applications where weight reduction is paramount without compromising structural integrity, making it a preferred choice in aerospace, automotive, and marine industries.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free from debris. 2. Apply appropriate thread lubricant if specified by design. 3. Engage the screw by hand initially to prevent cross-threading, then tighten to the specified torque using a calibrated wrench with the correct hex socket size.
| 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) |
|---|---|---|
| M19 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M19 | 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-tightening, leading to thread stripping or material fatigue. | Adhere strictly to the manufacturer's or design engineer's specified torque values. Use a torque wrench for accurate application. |
| Using incorrect tooling, resulting in cam-out and damage to the fastener head. | Always use a properly sized hex socket or wrench that fits snugly to ensure maximum engagement and prevent slippage. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Automotive chassis and engine applications, 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. | ||||