This M8 x 79mm Hex Head Cap Screw, crafted from high-grade 304 stainless steel, offers superior corrosion resistance and exceptional durability for critical fastening applications in challenging environments.
| Standard | ISO 9001 |
| Material | 304 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M8 |
| Length | 79mm |
| Head Width | 33mm |
Specified by design engineers worldwide, this M8 x 79mm Hex Head Cap Screw is engineered for robust performance and longevity. Manufactured from premium 304 stainless steel, it exhibits excellent resistance to corrosion, pitting, and crevice attack, making it ideal for marine, chemical, and food processing environments. The M8 thread ensures secure engagement with standard M8 nuts and tapped holes. Its substantial 79mm length provides ample thread engagement for various material thicknesses. The 33mm head width facilitates secure torque application with standard M8 hex wrenches, ensuring proper preload and joint integrity.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate M8 nut or tapped hole for the 79mm length screw. 2. Ensure the mating surfaces are clean and free from debris. 3. Thread the screw into the mating component, applying consistent torque with an M8 hex wrench until the desired preload is achieved. 4. Verify secure fastening without over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ISO 9001 |
| 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) |
|---|---|---|
| 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 | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using a screw that is too short, resulting in insufficient thread engagement. | Always select a screw length that provides at least 1.5 to 2 times the thread diameter (e.g., for M8, a minimum of 12-16mm thread engagement) for optimal joint strength. |
| Applying excessive torque, which can strip threads or damage the screw head. | Consult torque specifications for M8 fasteners and the materials being joined. Use a calibrated torque wrench to achieve the recommended preload. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine hardware and shipbuilding, Chemical processing equipment, Food and beverage manufacturing, Outdoor structural 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. | ||||