Engineered from premium brass, this M8 x 86mm hex head cap screw offers superior corrosion resistance and excellent electrical conductivity. Its robust design ensures reliable fastening in demanding environments.
| Standard | DIN 933 |
| Material | Brass |
| Finish | Galvanized |
| Grade | N/A |
| Size | M8 |
| Length | 86mm |
| Head Width | 21mm |
Manufactured under strict quality controls, this M8 x 86mm brass hex head cap screw features a nominal diameter of 8mm and a total length of 86mm. The hexagonal head has a measured width of 21mm, providing ample leverage for secure tightening with standard wrenches. Composed of high-grade brass (typically UNS C26000 or similar), it exhibits excellent ductility, non-magnetic properties, and resistance to galvanic corrosion, making it suitable for environments where moisture or corrosive agents are present. Its inherent conductivity also makes it a preferred choice for electrical connections.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating thread is clean and free of debris. 2. Align the cap screw with the threaded hole and hand-tighten to start. 3. Use an appropriate wrench or socket to tighten the cap screw to the required torque specification, avoiding over-tightening.
| 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) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | 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 or socket that precisely fits the 21mm head width of the cap screw. |
| Over-tightening the brass screw, which can cause deformation or thread damage. | Refer to torque charts for brass fasteners or tighten until snug with a slight additional turn, monitoring for resistance. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Electrical connectors and grounding systems, Decorative hardware and architectural fittings, Marine environments and coastal applications.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||