Engineered from high-strength Aluminum 6061, this M6 x 139mm hex head cap screw offers superior corrosion resistance and a lightweight profile, ideal for critical assemblies where performance and weight are paramount.
| Standard | ISO 9001 |
| Material | Aluminum 6061 |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M6 |
| Length | 139mm |
| Head Width | 27mm |
Precision-manufactured to tight tolerances, this M6 x 139mm hex head cap screw is constructed from premium Aluminum 6061 alloy. This material provides an excellent strength-to-weight ratio, exceptional corrosion resistance, and good machinability, making it suitable for environments where galvanic corrosion is a concern. The M6 thread offers reliable load-bearing capacity for its size, and the 139mm length allows for fastening through substantial material thicknesses. The 27mm hex head provides ample surface area for torque application with standard tooling, ensuring secure and consistent assembly in aerospace, marine, automotive, and specialized industrial equipment manufacturing.
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 screw to confirm alignment and prevent cross-threading. 3. Tighten using a torque wrench to the manufacturer's recommended specification for the joint assembly, utilizing the 27mm hex head.
| 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 |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M6 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M6 | 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, which can strip the aluminum threads or deform the mating material. | Always use a calibrated torque wrench and adhere to recommended torque values for Aluminum 6061 components. |
| Using steel tools on aluminum fasteners, which can cause galling or damage to the screw head. | Employ appropriate tools, preferably those designed for soft metals or with protective coatings, to prevent damage. |
A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.
A: Aerospace structural components, Marine hardware and fittings, Lightweight automotive assemblies, High-performance bicycle frames, Corrosion-resistant industrial machinery.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||