Engineered for superior performance, this M15 x 28mm Hex Head Cap Screw is crafted from robust 304 stainless steel. Its precise dimensions and material properties ensure reliable fastening in corrosive environments.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M15 |
| Length | 28mm |
| Head Width | 21mm |
Specified by design engineers worldwide, this M15 x 28mm hex head cap screw offers exceptional strength and corrosion resistance due to its 304 stainless steel composition. The M15 metric thread size provides a secure, high-torque connection, while the 28mm length is ideal for a variety of assembly depths. With a head width of 21mm, it accommodates standard hex drivers and wrenches, facilitating efficient installation and disassembly. This fastener is engineered to withstand demanding conditions in marine, chemical processing, food and beverage, and general industrial applications where durability and longevity are 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 hex socket driver or wrench for the 21mm head width. 2. Ensure mating threads are clean and free of debris. 3. Thread the M15 cap screw into the receiving component until snug, then tighten to the specified torque value.
| 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 incorrect torque values, leading to under- or over-tightening. | Consult engineering drawings or torque charts for the specific application and material being joined. |
| Cross-threading the M15 metric threads. | Carefully align the screw with the receiving threads and initiate tightening by hand to ensure proper engagement. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural assembly in corrosive environments, Marine hardware and equipment, Food and beverage processing machinery.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||