This M15x40mm hex head cap screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and robust tensile strength for critical fastening needs.
| Standard | ISO 9001 |
| Material | 304 Stainless Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M15 |
| Length | 40mm |
| Head Width | 23mm |
Engineered for reliability and performance, this M15x40mm hex head cap screw features a nominal diameter of 15mm and a length of 40mm. The hexagonal head provides a broad 23mm width for secure engagement with standard wrenches and sockets, ensuring efficient torque application. Constructed from 304 stainless steel, it exhibits excellent resistance to rust, corrosion, and chemical attack, making it ideal for use in harsh environments such as marine, food processing, and outdoor infrastructure. Its consistent material properties ensure predictable performance under various load conditions, vital for structural 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 wrench or socket size for the 23mm hex head. 2. Ensure the mating threads are clean and free from obstructions. 3. Thread the cap screw into the receiving component by hand initially to prevent cross-threading. Apply torque gradually to the specified tension using a calibrated torque wrench.
| 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) |
|---|---|---|
| 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 undersized or oversized wrench, leading to stripped head or incomplete tightening. | Utilize a wrench or socket precisely matching the 23mm head width for optimal engagement and torque transfer. |
| Applying excessive torque, potentially causing thread damage or fastener failure. | Employ a calibrated torque wrench to achieve the manufacturer's recommended torque specification for the M15 thread size. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel connections in corrosive environments, Marine and offshore equipment assembly, Food processing machinery and sanitation systems.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||