Engineered for superior corrosion resistance and high tensile strength, this M15 x 40mm 304 Stainless Steel Hex Head Cap Screw provides reliable fastening in demanding environments. Featuring a 30mm head width for secure torque application.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M15 |
| Length | 40mm |
| Head Width | 30mm |
Trusted by engineers across multiple sectors, this M15 x 40mm Hex Head Cap Screw is manufactured from premium 304 stainless steel, offering excellent corrosion resistance and a minimum tensile strength of 515 MPa. The 30mm hexagonal head ensures optimal wrench engagement for precise torque application. Its robust design makes it ideal for structural connections, machinery assembly, and applications exposed to corrosive elements.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate wrench size (e.g., 24mm) for the 30mm hex head. 2. Ensure the mating threads are clean and free from debris. 3. Apply the specified torque to secure the assembly, avoiding over-tightening.
| 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) |
|---|---|---|
| M15 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M15 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an incorrect wrench size, leading to stripping of the hex head. | Always use a wrench that precisely fits the 30mm hex head to ensure proper grip and torque transfer. |
| Introducing foreign contaminants into the threads before assembly. | Thoroughly clean both the screw threads and the receiving threads to prevent binding and ensure smooth engagement. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine and offshore equipment, Food processing machinery, Chemical processing plants, Outdoor structural 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. | ||||