This M15 x 78mm Hex Head Cap Screw, manufactured from robust carbon steel, offers superior strength and reliability. With a 22mm head width, it's designed for secure fastening in heavy-duty industrial environments.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M15 |
| Length | 78mm |
| Head Width | 22mm |
Engineered for reliability and performance, this M15 x 78mm Hex Head Cap Screw features a robust carbon steel construction, providing exceptional tensile strength and durability for critical load-bearing applications. The precise M15 thread size ensures a secure and consistent fit, while the 78mm length offers ample engagement for various joint configurations. The 22mm hexagonal head is designed for optimal torque transfer with standard tooling, facilitating efficient assembly and disassembly. Its inherent material properties make it resistant to moderate stresses and temperatures, ideal for machinery, structural components, and general industrial assembly.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate M15 tap or threaded hole for the 78mm screw. 2. Ensure the mating surfaces are clean and free from debris. 3. Insert the screw and tighten using a suitable wrench or socket, applying torque within the recommended limits for carbon steel fasteners of this size.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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) |
|---|---|---|
| M15 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M15 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to thread stripping or fastener failure. | Utilize a torque wrench to apply the manufacturer-specified torque value, or a calibrated tightening procedure. |
| Using the wrong size wrench or socket, resulting in head damage and improper torque application. | Always use the correct size 22mm wrench or socket for the hexagonal head. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery assembly and repair, Structural steel connections, Heavy equipment manufacturing.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||