This M7 x 121mm hex head cap screw, constructed from robust carbon steel, offers exceptional strength and reliability for critical fastening in industrial environments. Its precise dimensions ensure secure and stable connections.
| Standard | ASME B18 |
| Material | Carbon Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M7 |
| Length | 121mm |
| Head Width | 36mm |
Precision-manufactured to tight tolerances, this M7 x 121mm hex head cap screw is forged from high-grade carbon steel, providing superior tensile and shear strength essential for load-bearing applications. The 36mm hex head offers optimal torque transfer for secure tightening, while the standard M7 thread ensures compatibility with a wide range of metric nuts and tapped holes. The inherent properties of carbon steel, including its hardness and resistance to deformation, make this fastener ideal for applications experiencing significant mechanical stress or vibration, ensuring long-term structural integrity and performance in demanding industrial settings.
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 or socket size matching the 36mm hex head. 2. Engage the screw with the pre-drilled hole or tapped receiver, ensuring threads align properly. 3. Tighten the screw to the recommended torque specification for the M7 thread size and material, utilizing a calibrated torque wrench for accuracy.
| 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 incorrect wrench size, leading to head stripping. | Always use a wrench or socket precisely sized for the 36mm hex head to prevent damage and ensure proper torque application. |
| Over-tightening, which can strip threads or weaken the fastener. | Adhere to the manufacturer's recommended torque specifications for M7 fasteners. Employ a calibrated torque wrench for precise tension. |
| Cross-threading the screw, damaging both the screw and the mating component. | Start threading the screw by hand to ensure proper alignment before applying any tool torque. If resistance is met, back out and re-align. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Structural steel connections, Industrial 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. | ||||