Engineered for superior load-bearing capacity, this M19x77mm Hex Head Cap Screw, crafted from high-grade carbon steel, offers exceptional durability and reliability in critical industrial assemblies.
| Standard | ISO 9001 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M19 |
| Length | 77mm |
| Head Width | 30mm |
A high-performance industrial component, this M19x77mm Hex Head Cap Screw is constructed from robust carbon steel, ensuring superior tensile and shear strength for demanding applications. The precisely machined M19 thread diameter and 77mm length provide optimal engagement and secure fastening. Its 30mm hexagonal head offers a substantial bearing surface for torque application with standard tooling, facilitating efficient installation and disassembly. The inherent hardness and toughness of carbon steel make it resistant to deformation under significant stress, suitable for heavy machinery, structural assemblies, and high-torque joint applications.
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 cap screw to confirm proper alignment and prevent cross-threading. 3. Tighten the cap screw to the specified torque value using an appropriate calibrated torque wrench.
| 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) |
|---|---|---|
| M19 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M19 | 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 wrench, leading to head stripping. | Always use a wrench that precisely fits the 30mm hex head to ensure proper torque application and prevent damage. |
| Over-tightening, which can lead to thread damage or component failure. | Adhere to the recommended torque specifications for the application to avoid over-stressing the fastener and mating components. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy Machinery Assembly, Structural Steel Connections, Automotive and Aerospace Manufacturing.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||