This M7x140mm hex head cap screw, constructed from robust carbon steel, provides exceptional tensile strength and durability. Its large 28mm head width ensures optimal torque transfer and secure fastening for heavy-duty applications.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 140mm |
| Head Width | 28mm |
Specified by design engineers worldwide, this M7x140mm hex head cap screw is manufactured from high-grade carbon steel, offering superior tensile strength and resistance to shear forces. The metric M7 thread pitch ensures precise engagement with tapped holes or nuts, while the substantial 28mm hex head facilitates secure tightening with standard tooling, minimizing the risk of slippage. Its robust construction makes it ideal for structural assemblies, machinery components, and any application demanding reliable, high-load fastening solutions. Material hardness and yield strength meet industry standards for critical performance.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Clean the mating threads to remove any debris or contaminants. 2. Insert the cap screw through the assembled components. 3. Tighten the cap screw to the specified torque using an appropriate wrench or socket, ensuring proper engagement of the threads.
| 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) |
|---|---|---|
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head stripping. | Always use the correct size socket or wrench that fully engages the hex head to prevent damage and ensure proper torque. |
| Over-tightening the screw, causing thread damage or component deformation. | Adhere to the recommended torque specifications for the application to avoid excessive stress on threads and mating parts. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Structural steel connections, Automotive 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. | ||||