This M13 x 61mm hex head cap screw, crafted from premium 304 stainless steel, offers exceptional corrosion resistance and superior tensile strength for critical fastening applications.
| Standard | ASTM A106 |
| Material | 304 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M13 |
| Length | 61mm |
| Head Width | 35mm |
A high-performance industrial component, this M13 x 61mm hex head cap screw is engineered from robust 304 stainless steel, renowned for its excellent corrosion resistance and durability in harsh environments. The metric thread specification ensures compatibility with standard tooling and mating components. With a head width of 35mm, it provides ample bearing surface for secure engagement, distributing load effectively. This fastener is ideal for applications requiring a strong, reliable connection that can withstand moisture, chemicals, and moderate temperatures, making it a go-to choice in marine, chemical processing, and outdoor structural assemblies.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free of debris. 2. Thread the hex head cap screw by hand for at least two full turns to prevent cross-threading. 3. Tighten the screw using an appropriate wrench or socket, applying torque consistent with the application's load requirements and material specifications.
| 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) |
|---|---|---|
| M13 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M13 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Cross-threading the screw during initial engagement. | Always start threading by hand for at least two full turns to confirm proper alignment before applying any tools. |
| Over-tightening the screw, leading to thread stripping or material deformation. | Consult engineering drawings or material specifications for the recommended torque values and use a calibrated torque wrench. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural assembly in corrosive environments, Marine hardware and equipment, Chemical processing machinery and piping.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||