This M20 x 118mm hex head cap screw, crafted from robust carbon steel, offers exceptional tensile strength and durability. Its precise dimensions ensure secure and reliable fastening in critical industrial assemblies, providing a dependable connection under significant load.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M20 |
| Length | 118mm |
| Head Width | 30mm |
Engineered for reliability and performance, this M20 x 118mm hex head cap screw is manufactured from high-grade carbon steel, offering excellent tensile strength and resistance to deformation. The M20 nominal diameter, combined with a 118mm length and a 30mm across-flats head width, provides substantial bearing surface and torque transfer capability. This robust construction makes it suitable for heavy-duty machinery, structural frameworks, and demanding automotive or construction applications where consistent performance under stress is paramount. The material's inherent hardness ensures long service life and resistance to wear.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free from debris. 2. Hand-thread the screw to confirm proper engagement and alignment. 3. Tighten the screw to the specified torque using an appropriate wrench or socket, ensuring even pressure is applied.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to thread stripping or fastener fracture. | Adhere to the manufacturer's recommended torque specifications for the specific application and material. |
| Using the wrong size wrench or socket, which can damage the hex head and lead to improper tightening. | Always use a properly sized and well-fitting wrench or socket to ensure full engagement with the hex head. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy Machinery Assembly, Structural Steel Connections, Automotive Component Mounting.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||