This M20x41mm Hex Head Cap Screw is precision-machined from high-grade brass. Offering excellent corrosion resistance and non-sparking properties, it ensures reliable performance in demanding environments.
| Standard | ASTM A106 |
| Material | Brass |
| Finish | Plain |
| Grade | N/A |
| Size | M20 |
| Length | 41mm |
| Head Width | 33mm |
Built to exacting engineering tolerances, this M20x41mm Hex Head Cap Screw features a substantial 33mm head width for robust torque application. Crafted from free-machining brass (e.g., UNS C36000 or equivalent), it exhibits superior corrosion resistance to many chemicals and galvanic environments, along with inherent non-sparking characteristics, making it suitable for explosive or sensitive atmospheres. The M20 thread conforms to ISO metric standards, ensuring precise fitment with M20 nuts and tapped holes. Its ductility allows for moderate deformation without fracture, and the brass material provides good electrical conductivity.
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 (nut or tapped hole) are clean and free of debris. 2. Hand-thread the screw to verify alignment and prevent cross-threading. 3. Tighten using an appropriate wrench or socket on the hex head, applying torque to achieve secure fastening without over-stressing the brass material.
| 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 |
| Copper (Cu) | 60.0 - 63.0% |
| Zinc (Zn) | Balance |
| Lead (Pb) | 2.5 - 3.7% |
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using excessive torque, which can deform or fracture the brass screw. | Apply torque incrementally, referring to torque specifications for brass fasteners or using a torque wrench calibrated for the application. |
| Cross-threading due to misalignment during initial engagement. | Carefully hand-thread the screw for at least two full turns before applying any tools to ensure proper alignment. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Marine hardware and fittings, Electrical connectors and enclosures, Chemical processing equipment, Corrosion-resistant assemblies.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||