This M5 x 148mm hex head cap screw, constructed from robust carbon steel, offers superior tensile strength and durability for critical fastening applications. Its precise dimensions ensure reliable performance in challenging environments.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M5 |
| Length | 148mm |
| Head Width | 20mm |
Precision-manufactured to tight tolerances, this M5 hex head cap screw features a nominal diameter of 5mm and a substantial length of 148mm, providing ample thread engagement for secure connections. The head width measures 20mm, ensuring adequate surface area for torque application with standard tooling. Manufactured from high-grade carbon steel, it exhibits excellent tensile strength and shear resistance, making it suitable for applications subjected to significant mechanical stress. The inherent toughness of carbon steel allows for reliable performance across a wide temperature range, and its cost-effectiveness makes it a preferred choice for general-purpose industrial assembly and structural components.
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 size (20mm head width). 2. Ensure both mating surfaces are clean and free from debris. 3. Thread the screw into the designated hole, hand-tightening initially to confirm alignment. 4. Use a torque wrench to tighten the screw to the manufacturer's specified torque value for the application.
| 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) |
|---|---|---|
| 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 | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to thread stripping or material deformation. | Always use a torque wrench and adhere to recommended torque specifications for the application and material. |
| Using an incorrect tool size, which can damage the hex head and compromise torque application. | Confirm the correct wrench or socket size (20mm) before attempting to tighten. |
| Not cleaning mating surfaces, which can reduce friction and the effectiveness of the tightening process. | Thoroughly clean both the screw threads and the receiving hole/nut before installation. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Structural steel connections, Machinery and equipment assembly, Automotive and heavy-duty vehicle 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. | ||||