This M18 x 79mm hex head cap screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and robust tensile strength for critical fastening in harsh environments.
| Standard | ISO 9001 |
| Material | 304 Stainless Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M18 |
| Length | 79mm |
| Head Width | 26mm |
A high-performance industrial component, this M18 x 79mm hex head cap screw is engineered for demanding applications requiring exceptional durability. Constructed from 304 stainless steel, it provides excellent resistance to corrosion, oxidation, and a wide range of chemicals, making it suitable for marine, chemical processing, and outdoor environments. The M18 diameter ensures significant load-bearing capacity, while the 79mm length offers ample engagement for various joint thicknesses. The 26mm hex head provides a substantial bearing surface for secure tightening with standard tools, delivering a reliable and long-lasting mechanical connection.
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 to confirm proper alignment and prevent cross-threading. 3. Tighten the screw to the specified torque using an appropriate wrench or torque multiplier, ensuring the hex head is fully engaged.
| 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) |
|---|---|---|
| M18 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M18 | 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 hex heads. | Always use a wrench that precisely fits the 26mm hex head to ensure proper grip and torque application. |
| Over-tightening, which can cause thread damage or component failure. | Utilize a torque wrench to adhere to the recommended torque specifications for the material and application. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel connections, Machinery and equipment assembly, 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. | ||||