This M20x30mm Hex Head Cap Screw, crafted from robust Aluminum 6061, offers exceptional corrosion resistance and a superior strength-to-weight ratio, making it a critical component in demanding applications.
| Standard | DIN 933 |
| Material | Aluminum 6061 |
| Finish | Galvanized |
| Grade | N/A |
| Size | M20 |
| Length | 30mm |
| Head Width | 22mm |
Specified by design engineers worldwide, this M20x30mm Hex Head Cap Screw is manufactured from premium Aluminum 6061, renowned for its excellent corrosion resistance, weldability, and moderate to high strength. With a nominal diameter of M20, a length of 30mm, and a head width of 22mm, it conforms to critical dimensional tolerances required for precise assemblies. The inherent properties of Aluminum 6061 make it ideal for applications where weight reduction is paramount, such as in aerospace structures, automotive components, and marine environments, without compromising structural integrity.
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 from debris. 2. Thread the M20x30mm Aluminum 6061 Hex Head Cap Screw into the receiving component by hand for the initial turns to prevent cross-threading. 3. Tighten to the specified torque using a calibrated torque wrench, ensuring the fastener is seated firmly but not over-stressed.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Cross-threading due to improper initial engagement. | Always start threading the screw by hand for several turns to confirm proper alignment of threads. |
| Over-tightening, leading to thread stripping or material deformation. | Utilize a calibrated torque wrench and adhere to the specified torque values to prevent fastener failure or damage to the assembly. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Automotive chassis and engine parts, 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. | ||||