This M13 x 68mm Hex Head Cap Screw, constructed from robust carbon steel, is engineered for superior load-bearing capacity. Its design ensures secure and reliable fastening in demanding industrial environments.
| Standard | ASME B18 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M13 |
| Length | 68mm |
| Head Width | 25mm |
Purpose-built for heavy-duty applications, this M13 x 68mm hex head cap screw offers exceptional tensile strength and durability, owing to its high-grade carbon steel construction. The substantial 25mm head width ensures adequate bearing surface and facilitates high torque application without stripping. Designed to meet rigorous industrial standards, it provides critical structural integrity for machinery mounting, construction frameworks, and heavy equipment assembly, guaranteeing long-term performance and resistance to shear and tensile forces in challenging operational conditions.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate socket or wrench for the M13 hex head. 2. Ensure the mating threads are clean and free from debris. 3. Tighten the cap screw to the recommended torque specification for the application.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| Tensile Strength | Standard Commercial Spec |
| Yield Strength | Standard Commercial Spec |
| Hardness | Varies by specific batch |
| Carbon (C) | 0.28 - 0.55% |
| Manganese (Mn) | 0.60 - 0.90% |
| Phosphorus (P) | 0.04% max |
| Sulfur (S) | 0.05% 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an undersized wrench, leading to cam-out and fastener damage. | Always use a correctly sized socket or wrench that fully engages the hex head. |
| Overtightening, which can strip threads or compromise fastener integrity. | Utilize a torque wrench and adhere to manufacturer-specified torque values for the application. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery and equipment assembly, Structural steel connections, Automotive and heavy vehicle repair.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||