This M20 x 50mm hex head cap screw, fabricated from premium 316 stainless steel, offers superior corrosion resistance and robust mechanical strength for critical fastening needs.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M20 |
| Length | 50mm |
| Head Width | 27mm |
Built to exacting engineering tolerances, this M20 x 50mm hex head cap screw features a nominal diameter of 20mm and a length of 50mm, with a substantial 27mm head width for effective torque application. Constructed from 316 stainless steel, it provides exceptional resistance to pitting and crevice corrosion in aggressive environments, including marine and chemical processing. The material's inherent durability ensures reliable performance under significant tensile and shear loads, making it ideal for structural assemblies and high-stress industrial settings requiring long-term integrity and minimal maintenance.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating surfaces are clean and free from debris. 2. Thread the cap screw into the pre-tapped hole or through the clearance hole and nut. 3. Tighten to the specified torque using an appropriate wrench, ensuring even pressure distribution.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head stripping. | Utilize a wrench with a 27mm head width or a socket of equivalent size to ensure proper engagement and prevent damage. |
| Over-tightening, causing thread damage or material fatigue. | Adhere to the manufacturer's recommended torque specifications for M20 fasteners to avoid overstressing the components. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and offshore structures, 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. | ||||