This M18 x 72mm Brass Hex Head Cap Screw offers superior corrosion resistance and aesthetic appeal. Engineered for demanding environments, it provides reliable fastening for a wide range of industrial and decorative projects.
| Standard | DIN 933 |
| Material | Brass |
| Finish | Galvanized |
| Grade | N/A |
| Size | M18 |
| Length | 72mm |
| Head Width | 7mm |
Purpose-built for heavy-duty applications, this M18 x 72mm Hex Head Cap Screw is manufactured from high-grade brass, ensuring excellent resistance to corrosion, tarnishing, and galvanic action, particularly in marine or chemical environments. The M18 thread size and 72mm nominal length provide substantial engagement for robust connections. With a nominal head width of 7mm, it is designed for use with standard M18 hex drivers or wrenches. Brass's inherent non-magnetic properties and electrical conductivity make it suitable for sensitive electronic assemblies and applications where sparking is a concern. Its ductility allows for some deformation without fracture, aiding in secure fastening. This screw is ideal for structural joining, decorative installations, and environments requiring a non-ferrous fastener.
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 of debris. 2. Engage the cap screw with the threaded hole or nut. 3. Tighten using an appropriate M18 hex wrench or socket, applying torque gradually to achieve desired clamping force. Avoid overtightening to prevent thread stripping or material deformation.
| 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 |
| 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) |
|---|---|---|
| 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 |
|---|---|
| Using the wrong size wrench, leading to cam-out or stripped hex head. | Always use an M18 hex wrench or socket that fits snugly to ensure proper engagement and prevent damage to the screw head. |
| Overtightening the brass screw, which can lead to thread damage or galling. | Apply moderate torque. Brass is softer than steel; listen for resistance and stop once a secure connection is made. For critical applications, consult torque specifications. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Marine hardware and fittings, Electrical conduit and connection boxes, Architectural and decorative fixtures, Food processing equipment (where corrosion resistance is key).
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||