This M21 x 14mm Brass Hex Head Cap Screw offers superior corrosion resistance and non-sparking properties. Ideal for applications requiring a durable, aesthetically pleasing, and electrically conductive fastener.
| Standard | ASME B18 |
| Material | Brass |
| Finish | Passivated |
| Grade | N/A |
| Size | M21 |
| Length | 14mm |
| Head Width | 21mm |
Built to exacting engineering tolerances, this M21 x 14mm Brass Hex Head Cap Screw ensures reliable performance in demanding environments. Manufactured from solid brass, it exhibits excellent corrosion resistance, making it suitable for marine, chemical, and food processing applications. The material also offers good electrical conductivity and is non-sparking, a critical safety feature in hazardous locations. Its hex head design allows for secure torque application with standard tooling, while the M21 thread provides robust mechanical fastening. The 14mm length is optimized for joining materials of moderate thickness.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select an appropriately sized hex socket wrench. 2. Align the screw with the pre-drilled or tapped hole. 3. Engage the wrench with the hex head and turn clockwise to tighten. 4. Apply torque according to design specifications, avoiding overtightening.
| 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 |
| 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) |
|---|---|---|
| M21 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M21 | 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 or fastener breakage. | Apply torque within the recommended limits for the specific application and materials being joined. |
| Using incompatible tools, potentially damaging the hex head. | Ensure the hex socket wrench is the correct size and in good condition for a snug fit. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Marine hardware and fittings, Electrical grounding and bonding, Food processing equipment, Corrosive chemical environments, Architectural and decorative installations.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||