This M8 x 124mm hex head cap screw, constructed from high-strength carbon steel, offers exceptional load-bearing capacity and durability for demanding industrial assemblies.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M8 |
| Length | 124mm |
| Head Width | 24mm |
A high-performance industrial component, this M8 x 124mm hex head cap screw is engineered from premium carbon steel, ensuring superior tensile strength and shear resistance for critical structural connections. The 24mm hex head provides ample surface area for secure torque application with standard tooling, preventing slippage and ensuring consistent assembly. Its precise M8 threading guarantees a reliable fit within corresponding tapped holes or nuts. The robust carbon steel composition resists deformation under significant mechanical stress, making it ideal for heavy-duty machinery, construction, and manufacturing environments 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. Select the appropriate socket or wrench size that precisely fits the 24mm hex head. 2. Ensure the mating threaded hole or nut is clean and free from debris. 3. Thread the cap screw by hand for the first few turns to prevent cross-threading, then use the wrench to tighten to the required torque specification.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | 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 the wrong size wrench, leading to head damage or improper torque. | Always use a wrench or socket that perfectly matches the 24mm head width for optimal engagement and torque transfer. |
| Cross-threading the screw due to misaligned starting. | Initiate threading by hand for at least two full rotations to confirm alignment before applying mechanical force. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Structural steel connections, Automotive and transportation components.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||