This M18 x 137mm hex head cap screw, crafted from premium 316 stainless steel, offers superior corrosion resistance and exceptional strength for demanding applications.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M18 |
| Length | 137mm |
| Head Width | 16mm |
Engineered for reliability and performance, this M18 x 137mm hex head cap screw features a robust 316 stainless steel construction, providing excellent resistance to pitting and crevice corrosion in harsh environments. Its metric coarse thread and 16mm head width ensure secure fastening and compatibility with standard tooling. The material's inherent toughness and durability make it suitable for critical structural connections, offering a high tensile strength that withstands significant loads. This fastener is designed for long-term service life in aggressive industrial, marine, and chemical processing settings.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating threads are clean and free of debris. 2. Hand-tighten the screw to engage threads. 3. Tighten to the specified torque using an appropriate wrench, ensuring consistent pressure.
| 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) |
|---|---|---|
| M18 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M18 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, which can strip threads or damage the mating component. | Use a torque wrench to adhere to recommended torque specifications for the size and material. |
| Using the wrong size wrench, leading to cam-out and potential damage to the hex head. | Always use a correctly sized wrench that fits snugly on the hex head. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and deck fittings, Chemical processing equipment, Food and beverage industry 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. | ||||