This M7x42mm brass hex head cap screw offers superior corrosion resistance and non-magnetic properties. Its robust construction ensures reliable fastening for demanding environments.
| Standard | DIN 933 |
| Material | Brass |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 42mm |
| Head Width | 16mm |
Manufactured under strict quality controls, this M7x42mm brass hex head cap screw features a nominal diameter of M7 and a thread pitch of 1.0mm. The overall length is 42mm, with a head width measuring 16mm across the flats for secure tool engagement. Composed of high-grade brass alloy (e.g., UNS C36000 or equivalent), it exhibits excellent machinability, good ductility, and inherent resistance to corrosion, particularly in marine and humid environments. Its non-magnetic nature makes it suitable for sensitive electronic applications. The hexagonal head design allows for high torque application.
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 of debris. 2. Align the screw with the receiving hole and thread by hand to avoid cross-threading. 3. Tighten using an appropriate wrench or socket, applying torque gradually to the specified level.
| 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) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to thread damage or material deformation. | Use a torque wrench set to the appropriate specification for brass fasteners. |
| Using the wrong size wrench, resulting in stripped head corners. | Select a wrench or socket that precisely fits the 16mm hex head. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Marine hardware and fittings, Electrical connectors and enclosures, Decorative trim and fixtures, 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. | ||||