Engineered for demanding environments, this M15 x 133mm hex cap screw features superior corrosion resistance. Its robust 316 stainless steel construction ensures long-term performance in harsh conditions.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M15 |
| Length | 133mm |
| Head Width | 12mm |
Purpose-built for heavy-duty applications, this M15 hex head cap screw boasts a nominal diameter of 15mm and a length of 133mm. Fabricated from premium 316 stainless steel, it offers exceptional resistance to corrosion, particularly in chloride-rich environments such as marine settings and chemical processing plants. The material's inherent strength and durability make it ideal for structural assemblies, heavy machinery, and outdoor infrastructure where resistance to pitting and crevice corrosion is paramount. The 12mm head width ensures compatibility with standard tooling for secure and reliable fastening.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select appropriate torque wrench and socket for the M15 head. 2. Ensure mating threads are clean and free of debris. 3. Apply specified torque to achieve a secure connection without over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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) | 16.0 - 18.0% |
| Nickel (Ni) | 10.0 - 14.0% |
| Molybdenum (Mo) | 2.0 - 3.0% |
| 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 | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using incorrect torque, leading to under-tightening or fastener fatigue. | Consult engineering specifications or torque charts for the correct tightening value for M15 fasteners in 316 stainless steel. |
| Cross-threading the fastener during installation. | Carefully align the screw with the pre-tapped hole or nut and thread by hand for the initial turns to ensure proper engagement. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment, Chemical processing plants, Food and beverage industry, Outdoor structural assemblies.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||