Engineered for reliability, this M15 x 78mm brass hex head cap screw offers excellent corrosion resistance and non-magnetic properties. Its robust design ensures secure fastening in demanding environments.
| Standard | ASME B18 |
| Material | Brass |
| Finish | Galvanized |
| Grade | N/A |
| Size | M15 |
| Length | 78mm |
| Head Width | 18mm |
Trusted by engineers across multiple sectors, this M15 x 78mm brass hex head cap screw features a precise M15 thread size and a nominal length of 78mm, with a head width of 18mm for optimal wrench engagement. Crafted from high-grade brass, it provides superior corrosion resistance, particularly in marine and humid environments, and exhibits non-magnetic properties beneficial for sensitive electronic applications. The material's inherent malleability also allows for tight seals without compromising structural integrity, making it suitable for a wide range of industrial and decorative assemblies.
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. Insert the cap screw into the pre-drilled hole or nut. 3. Tighten the cap screw using an appropriate wrench to the specified torque, avoiding over-tightening.
| 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) |
|---|---|---|
| M15 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M15 | 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 head stripping. | Always use a wrench that precisely fits the 18mm head width to prevent damage. |
| Over-tightening, which can damage the threads or the workpiece. | Adhere to recommended torque specifications for brass fasteners to ensure a secure joint without material compromise. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Marine hardware and fittings, Electrical and electronic enclosures, Decorative architectural elements, Plumbing and HVAC systems.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||