Engineered for robust fastening, this M19 x 56mm hex head cap screw is manufactured from high-grade 304 stainless steel. Its superior corrosion resistance ensures reliability in challenging environments.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M19 |
| Length | 56mm |
| Head Width | 28mm |
Specified by design engineers worldwide, this M19 x 56mm hex head cap screw offers exceptional mechanical integrity. Constructed from premium 304 stainless steel, it provides excellent resistance to corrosion, pitting, and crevice corrosion, making it ideal for marine, chemical processing, and outdoor applications. The M19 nominal diameter and 56mm length, coupled with a 28mm head width, ensure compatibility with standard tooling and robust load-bearing capabilities. Its non-magnetic properties in the annealed condition are also a key design consideration.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure threads are clean and free of debris. Lightly lubricate the threads with an appropriate lubricant if recommended by the application design. 2. Insert the hex head cap screw into the mating hole, ensuring proper alignment. 3. Tighten the screw to the specified torque using a calibrated torque wrench. Avoid over-tightening.
| 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) |
|---|---|---|
| M19 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M19 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head stripping. | Always use a properly sized, high-quality hex wrench or socket to match the 28mm head width. |
| Over-tightening, which can strip threads or compromise material integrity. | Adhere to the torque specifications outlined in your design drawings or consult engineering best practices for 304 stainless steel fasteners. |
| Installing in a corrosive environment without considering galvanic corrosion potential. | Ensure mating materials are compatible with 304 stainless steel to prevent galvanic corrosion, especially in prolonged wet conditions. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural assembly in corrosive environments, Marine hardware and offshore equipment, Chemical processing plant construction, Outdoor infrastructure and architectural elements.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||