Engineered for superior performance, this M18 x 58mm hex head cap screw is crafted from robust 304 stainless steel. It offers exceptional corrosion resistance and high tensile strength for reliable fastening in critical applications.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M18 |
| Length | 58mm |
| Head Width | 21mm |
Specified by design engineers worldwide, this M18 x 58mm hex head cap screw features a nominal diameter of 18mm and a length of 58mm, with a 21mm hex head width for standard tooling engagement. Manufactured from premium 304 stainless steel (austenitic chromium-nickel alloy), it provides excellent resistance to a wide range of corrosive environments, including atmospheric, chemical, and food processing applications. The material's inherent toughness and good ductility ensure reliable performance under significant tensile and shear loads, making it ideal for structural assemblies and equipment where longevity and integrity are 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 cap screw into the receiving component to verify alignment and prevent cross-threading. 3. Tighten the cap screw using a calibrated torque wrench to the manufacturer's specified torque value for the M18 thread size and the connected materials.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| 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 properly sized wrench that fits snugly on the hex head to ensure maximum torque transfer and prevent damage. |
| Over-torquing the screw, causing thread stripping or component damage. | Utilize a torque wrench and adhere to the recommended torque specifications for the specific application and materials being joined. |
| Installing in a corrosive environment without considering material compatibility. | While 304 stainless steel offers good corrosion resistance, ensure it is appropriate for prolonged exposure to specific aggressive chemicals or saltwater environments; consider higher grades if necessary. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel framing and connections, Industrial machinery and equipment assembly, Marine and offshore applications requiring corrosion resistance.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||