This M5 x 99mm Hex Head Cap Screw, forged from high-strength carbon steel, ensures reliable fastening. Its precise dimensions and robust material make it ideal for demanding industrial applications.
| Standard | ISO 9001 |
| Material | Carbon Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M5 |
| Length | 99mm |
| Head Width | 20mm |
Built to exacting engineering tolerances, this M5 x 99mm carbon steel hex head cap screw offers superior tensile strength and yield strength due to its heat-treated alloy composition. The M5 thread pitch ensures secure engagement with standard M5 nuts and tapped holes, while the 99mm length provides ample reach for joining components with moderate thickness. The 20mm hex head width is optimized for standard M20 hex wrenches or sockets, enabling efficient and controlled torque application critical for maintaining joint integrity under significant loads. This fastener is engineered for environments requiring durability and consistent performance.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating surfaces are clean and free of debris. 2. Select the appropriate hex wrench or socket for the 20mm head width. 3. Thread the cap screw into the pre-tapped hole or through the mating components, applying steady torque until snug. 4. Tighten the cap screw to the recommended torque specification for M5 fasteners based on material and application.
| 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) |
|---|---|---|
| M5 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M5 | 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 cap screw, stripping the threads or damaging the mating component. | Use a torque wrench and adhere to the specified torque values for M5 fasteners in carbon steel. |
| Using the wrong size hex wrench, leading to cam-out and potential damage to the screw head. | Confirm the hex wrench size matches the 20mm head width of the cap screw. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery assembly and repair, Structural steel connections, Industrial equipment 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. | ||||