Engineered for superior strength and corrosion resistance, this M19 x 81mm hex head cap screw is manufactured from high-grade 304 stainless steel, ensuring reliable performance in challenging environments.
| Standard | ASTM A106 |
| Material | 304 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M19 |
| Length | 81mm |
| Head Width | 12mm |
Built to exacting engineering tolerances, this M19 x 81mm hex head cap screw features a nominal diameter of M19 and a thread length of 81mm. The head width measures 12mm, providing ample surface area for secure fastening with standard tooling. Composed of 304 stainless steel, it offers excellent resistance to a wide range of corrosive media, making it ideal for marine, chemical processing, and outdoor structural applications. Its robust design ensures high tensile and shear strength, critical for load-bearing assemblies.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate torque wrench and socket size (12mm). 2. Ensure the mating threads are clean and free of debris. 3. Thread the cap screw into the designated hole until hand-tight. 4. Apply torque according to the application's load requirements, avoiding over-torquing.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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 excessive force leading to thread stripping or fastener failure. | Utilize a calibrated torque wrench and adhere to recommended torque specifications for the material and application. |
| Improperly aligning the screw during installation, causing cross-threading. | Start threading the screw by hand to ensure proper engagement and alignment before applying any tools. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel connections, Marine hardware and equipment, Chemical processing plant machinery, Outdoor 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. | ||||