This M8x69mm hex head cap screw, crafted from high-strength carbon steel, provides robust and reliable fastening for demanding industrial applications requiring precise torque and superior shear strength.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M8 |
| Length | 69mm |
| Head Width | 7mm |
Specified by design engineers worldwide, this M8x69mm hex head cap screw is manufactured from premium carbon steel, typically to Grade 8.8 or higher, ensuring exceptional tensile strength and hardness for critical structural and mechanical assemblies. The M8 thread provides a secure mating connection, while the 69mm length offers significant grip and engagement in various joint thicknesses. The 7mm head width is optimized for standard wrenching tools, facilitating efficient assembly and disassembly. Its inherent material properties make it resistant to deformation under significant load, ideal for dynamic and static applications alike.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate mating component with a pre-tapped hole or nut. 2. Hand-thread the cap screw to ensure proper alignment and prevent cross-threading. 3. Utilize a calibrated torque wrench to tighten the screw to the specified torque value, ensuring a secure and consistent joint.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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 screw, leading to thread stripping or material deformation. | Always use a calibrated torque wrench and adhere to the manufacturer's recommended torque specifications for the specific material and application. |
| Using the wrong size wrench, which can damage the hex head and lead to improper tightening. | Ensure the wrench size precisely matches the hex head width (7mm in this case) for optimal engagement and torque transfer. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Machinery and equipment assembly, Structural framework construction, 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. | ||||