This M12 x 127mm hex head cap screw, crafted from robust carbon steel, delivers exceptional tensile strength and durability for demanding industrial and structural applications. Engineered for reliability under extreme loads.
| Standard | ISO 9001 |
| Material | Carbon Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M12 |
| Length | 127mm |
| Head Width | 21mm |
Purpose-built for heavy-duty applications, this M12 x 127mm hex head cap screw features a nominal diameter of 12mm and a total length of 127mm, with a precisely machined head width of 21mm for optimal tool engagement. Constructed from high-grade carbon steel, it offers superior tensile strength and shear resistance, making it ideal for applications requiring maximum load-bearing capacity. The material's inherent toughness ensures performance in environments subject to vibration, shock, and significant stress, such as in machinery assembly, construction frameworks, and heavy equipment manufacturing. Its standardized dimensions ensure compatibility with a wide range of metric nuts and pre-drilled holes.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate size and grade of nut or tapped hole, ensuring compatibility with the M12 thread. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw using a calibrated torque wrench to the manufacturer's recommended torque specification, ensuring proper engagement of the hex head with the driving tool.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ISO 9001 |
| 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) |
|---|---|---|
| M12 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M12 | 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 an undersized or overtightened screw, leading to premature failure or stripped threads. | Always refer to engineering load specifications and utilize a calibrated torque wrench to achieve the correct tension for the M12 thread pitch. |
| Applying excessive force without proper tool engagement, potentially damaging the hex head. | Ensure the socket or wrench fully engages the hex head to distribute torque evenly and prevent slippage or deformation. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Construction and structural frameworks, Automotive and aerospace 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. | ||||