Engineered for superior corrosion resistance and electrical conductivity, this M11x85mm brass hex head cap screw offers robust fastening for demanding environments where magnetism is undesirable.
| Standard | DIN 933 |
| Material | Brass |
| Finish | Plain |
| Grade | N/A |
| Size | M11 |
| Length | 85mm |
| Head Width | 21mm |
Specified by design engineers worldwide, this M11x85mm brass hex head cap screw boasts a nominal diameter of M11 and a length of 85mm, with a precisely machined 21mm hex head for optimal torque application. Fabricated from high-grade brass, it exhibits excellent resistance to corrosion and tarnishing, making it ideal for environments exposed to moisture or chemicals. Its non-magnetic properties are crucial for sensitive electronic assemblies and instruments. The hex drive ensures secure engagement and efficient installation with standard tooling.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select appropriate tooling for a 21mm hex head, ensuring it is clean and free of debris. 2. Carefully thread the M11x85mm brass cap screw into the pre-tapped hole or mating component, applying consistent torque. 3. Tighten to the specified torque value, avoiding overtightening to prevent material damage or stripping.
| 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) |
|---|---|---|
| M11 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M11 | 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 component damage. | Consult design specifications for the recommended torque value and use a calibrated torque wrench for accurate tightening. |
| Using incorrect tooling that can strip the hex head. | Ensure the hex socket size precisely matches the 21mm head width and the tool is in good condition. |
A: This Hex Head Cap Screw, Brass is manufactured from Brass.
A: Electrical connectors and busbars, Plumbing and HVAC systems, Marine hardware and fittings.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||