Engineered for superior performance, this M8 x 90mm Carbon Steel Hex Head Cap Screw provides robust and reliable fastening solutions in critical industrial applications. Its durable construction ensures long-term integrity.
| Standard | ISO 9001 |
| Material | Carbon Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M8 |
| Length | 90mm |
| Head Width | 17mm |
Designed for demanding industrial environments, this M8 x 90mm hex head cap screw is manufactured from high-grade carbon steel, offering exceptional tensile strength and shear resistance. The M8 thread size ensures compatibility with standard M8 nuts and tapped holes. With a length of 90mm and a head width of 17mm, it provides ample thread engagement and torque application for secure connections. This fastener is ideal for structural assembly, machinery mounting, and general industrial fabrication where reliability is paramount. Its robust material properties withstand significant mechanical stress and vibration.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate M8 nut or ensure the tapped hole is clean and undamaged. 2. Hand-thread the cap screw to initiate engagement, ensuring proper alignment. 3. Tighten the cap screw using a calibrated wrench or torque tool to the specified torque value for M8 fasteners, typically between 20-30 Nm, depending on application and lubrication.
| 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) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | 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, leading to thread stripping or material deformation. | Always use a calibrated torque wrench and adhere to recommended torque specifications for M8 fasteners. |
| Using the wrong tool size, resulting in damaged hex head and improper torque application. | Ensure the correct size wrench (17mm for this screw) is used for tightening. |
| Ignoring thread contamination or damage, which can hinder proper engagement and reduce clamping force. | Inspect both the cap screw threads and the receiving tapped hole or nut for any debris, damage, or corrosion before installation. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery assembly and maintenance, Structural framework construction, Automotive and heavy equipment repair.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||