This M13 x 63mm hex head cap screw, forged from premium 304 stainless steel, offers superior corrosion resistance and high tensile strength. Engineered for robust fastening in challenging environments, ensuring long-term joint integrity.
| Standard | DIN 933 |
| Material | 304 Stainless Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M13 |
| Length | 63mm |
| Head Width | 31mm |
Manufactured under strict quality controls, this M13 x 63mm hex head cap screw features a nominal diameter of 13mm and a length of 63mm. The head boasts a substantial width of 31mm for optimal torque application and load distribution. Constructed from grade 304 stainless steel, it provides excellent resistance to atmospheric corrosion, many organic and inorganic chemicals, and foodstuffs. This material composition ensures high ductility and non-magnetic properties, making it suitable for a wide range of demanding industrial and marine applications where reliability is paramount.
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 from debris. 2. Hand-start the screw to verify proper thread engagement and prevent cross-threading. 3. Tighten using an appropriate wrench or socket to the recommended torque specification, ensuring a secure and stable connection.
| 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) | 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 |
|---|---|
| Using the wrong size wrench, leading to head stripping. | Always select a wrench or socket that precisely fits the 31mm hex head to ensure proper engagement and prevent damage. |
| Over-tightening, which can damage the screw or the workpiece. | Refer to torque charts for the specific application and material to achieve the optimal clamping force without over-stressing the fastener. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine hardware and shipbuilding, Chemical processing equipment, Food and beverage 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. | ||||