Engineered for robust performance, this M11x138mm hex head cap screw is constructed from high-grade carbon steel. Its substantial 30mm head width ensures secure and stable fastening across demanding industrial applications.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M11 |
| Length | 138mm |
| Head Width | 30mm |
Trusted by engineers across multiple sectors, this M11x138mm hex head cap screw offers superior tensile strength and durability due to its carbon steel construction. With a precise M11 thread size and a 138mm overall length, it is designed for heavy-duty applications where reliable load-bearing is critical. The substantial 30mm hex head provides ample surface area for torque application, ensuring secure connections in structural frameworks, machinery assembly, and demanding construction projects. Its material properties make it resistant to deformation under significant stress.
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 for the 30mm hex head. 2. Thread the M11 cap screw into the pre-tapped hole or mating component. 3. Tighten to the required torque specification using calibrated torque wrench for optimal joint integrity.
| 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) |
|---|---|---|
| M11 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M11 | 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 fastener, leading to thread stripping or component damage. | Always use a calibrated torque wrench and adhere to manufacturer-specified torque values. |
| Using the wrong size tool for the hex head, causing cam-out and potential injury or fastener damage. | Ensure the tool precisely fits the 30mm hex head for maximum engagement and control. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy Machinery Assembly, Structural Steel Construction, Automotive Manufacturing, Industrial Equipment 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. | ||||