This M7x77mm hex head cap screw, crafted from high-grade 304 stainless steel, offers superior corrosion resistance and robust mechanical strength for critical fastening applications.
| Standard | DIN 933 |
| Material | 304 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M7 |
| Length | 77mm |
| Head Width | 33mm |
Engineered for reliability and performance, this M7x77mm hex head cap screw features a nominal diameter of M7 and an overall length of 77mm. The substantial 33mm head width ensures excellent torque transfer capabilities. Constructed from premium 304 stainless steel, it provides outstanding resistance to corrosion and oxidation, making it ideal for environments exposed to moisture, chemicals, and varying temperatures. Its tensile strength and ductility make it suitable for a wide range of load-bearing applications where consistent and secure joining is paramount.
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. Hand-thread the screw into the receiving component to prevent cross-threading. 3. Use an appropriate wrench or socket to tighten the screw to the specified torque value, ensuring a secure and reliable connection.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation in 2 in. | 40% min |
| Hardness | Rockwell B95 max |
| Carbon (C) | 0.08% max |
| Chromium (Cr) | 18.0 - 20.0% |
| Nickel (Ni) | 8.0 - 10.5% |
| Manganese (Mn) | 2.00% max |
| 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 | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to stripped head corners. | Always use a correctly sized, high-quality wrench or socket that precisely fits the hex head. |
| Applying excessive torque, potentially damaging the threads or the workpiece. | Consult torque specifications for the application and material, and use a calibrated torque wrench. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural assembly in corrosive environments, Marine and offshore equipment, Food processing machinery and components.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||