This M7 x 78mm hex head cap screw, crafted from high-strength carbon steel, offers superior clamping force and durability for critical fastening tasks. Its precise dimensions ensure reliable performance in demanding industrial environments.
| Standard | ASME B18 |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M7 |
| Length | 78mm |
| Head Width | 10mm |
Manufactured under strict quality controls, this M7 hex head cap screw features a nominal diameter of 7mm and a substantial 78mm length, providing ample thread engagement. The head exhibits a 10mm wrenching width, facilitating secure tightening with standard tooling. Constructed from premium carbon steel, it boasts excellent tensile strength and shear resistance, making it suitable for medium to heavy-duty load-bearing applications. The material's inherent hardness ensures resistance to deformation under stress, contributing to the longevity of assembled structures.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate wrench size (10mm) for the hex head. 2. Ensure the mating threads are clean and free from obstructions. 3. Thread the cap screw into the designated fastener hole until snug, then tighten to the required 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) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an undersized or oversized wrench, leading to head stripping. | Always use the correct 10mm wrench for the M7 hex head to prevent damage. |
| Over-tightening, which can lead to thread damage or fastener failure. | Consult torque charts for carbon steel fasteners of this size and apply torque incrementally to the recommended value. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Structural steel connections, Machinery assembly, 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. | ||||