This M7 x 18mm Hex Head Cap Screw, crafted from robust carbon steel, offers exceptional strength and durability for demanding industrial and mechanical applications. Its precise dimensions ensure secure and reliable fastening.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 18mm |
| Head Width | 11mm |
Engineered for reliability and performance, this M7 x 18mm Hex Head Cap Screw is manufactured from high-grade carbon steel, providing superior tensile strength and resistance to wear. The M7 thread size ensures compatibility with standard metric components, while the 18mm length and 11mm head width are optimized for a wide range of assembly operations. Its material composition makes it suitable for environments requiring moderate load-bearing capacity and resistance to abrasion. Ideal for machine building, equipment assembly, and structural joining where consistent performance 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 torque wrench and socket for the M7 hex head. 2. Align the screw with the pre-tapped hole or nut, ensuring threads engage smoothly. 3. Tighten the screw to the specified torque value for the application, avoiding over-tightening.
| 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) |
|---|---|---|
| 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 socket, leading to head stripping. | Always use the correct size socket (11mm for this screw) to ensure proper engagement and prevent damage to the hex head. |
| Over-tightening the screw, causing thread damage or component deformation. | Adhere to the recommended torque specifications for the material being fastened and the screw's grade to prevent excessive stress. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery and Equipment Assembly, Structural Joining in Mechanical Systems, Automotive Component Fastening.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||