This M11x40mm hex head cap screw, crafted from high-strength carbon steel, is engineered for superior load-bearing capacity. Its robust design ensures reliable fastening in critical industrial assemblies.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M11 |
| Length | 40mm |
| Head Width | 34mm |
Built to exacting engineering tolerances, this M11x40mm hex head cap screw features a nominal diameter of 11mm and a length of 40mm, with a substantial 34mm head width for optimal torque application. Manufactured from high-grade carbon steel, it offers excellent tensile and shear strength, making it ideal for applications requiring significant load-holding capabilities. The unthreaded portion of the shank, where present, is precisely machined to ensure proper fit and function. The hexagonal head profile allows for secure engagement with standard wrenching tools, facilitating efficient assembly and disassembly in demanding industrial environments. Its inherent toughness and resistance to deformation under stress make it a dependable choice for structural and mechanical connections.
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 size for the 34mm hex head. 2. Ensure the mating threads are clean and free of obstructions. 3. Thread the cap screw into the designated tapped hole or nut until snug, then tighten to the specified torque value using a calibrated torque wrench.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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 | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an undersized wrench, leading to head stripping. | Always use a wrench that precisely matches the 34mm hex head width to prevent cam-out and damage. |
| Over-tightening, which can lead to thread damage or fastener failure. | Adhere to the recommended torque specifications for the material and application to avoid excessive stress on the screw. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Structural steel connections, Automotive chassis 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. | ||||