Precision-engineered M4 x 15mm hex head cap screw crafted from robust 304 stainless steel. Offering superior corrosion resistance and tensile strength for secure, long-lasting fastening solutions in diverse industrial applications.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M4 |
| Length | 15mm |
| Head Width | 32mm |
Manufactured under strict quality controls, this M4 x 15mm hex head cap screw is constructed from premium 304 stainless steel, renowned for its excellent corrosion resistance, including to pitting and crevice corrosion in various media. The material's composition of 18% chromium and 8% nickel provides significant durability and strength, suitable for a wide temperature range. The precise M4 thread pitch and 15mm length ensure secure engagement, while the 32mm head width allows for ample torque application with standard tooling. Ideal for marine, chemical processing, food service, and general construction where environmental resistance is paramount.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate drive tool (e.g., hex key or socket wrench) matching the M4 thread size and head width. 2. Ensure the mating threads are clean and free from debris. 3. Insert the cap screw into the designated hole and engage the threads. Turn clockwise to tighten. 4. Apply torque gradually to the specified level for the application, avoiding overtightening to prevent thread stripping or material deformation.
| 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) |
|---|---|---|
| M4 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M4 | 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 size drive tool, leading to damaged screw heads or inefficient tightening. | Always use a correctly sized hex key or socket wrench that fits snugly into the screw head. |
| Overtightening, which can strip threads or weaken the fastener and surrounding material. | Adhere to recommended torque specifications for the specific application and materials being joined. |
| Using standard steel fasteners in corrosive environments, resulting in premature rust and failure. | Utilize 304 stainless steel fasteners as specified for applications exposed to moisture, chemicals, or saltwater. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine and offshore equipment assembly, Food processing machinery and equipment, Chemical processing plant construction, Automotive and aerospace components, General industrial machinery and fixtures.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||