This M21x145mm Hex Head Cap Screw, crafted from high-performance Titanium Grade 5, offers superior strength, corrosion resistance, and a lightweight design for demanding industrial applications.
| Standard | ASTM A106 |
| Material | Titanium Grade 5 |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M21 |
| Length | 145mm |
| Head Width | 8mm |
A proven choice for industrial professionals, this M21x145mm Hex Head Cap Screw is engineered from Titanium Grade 5, renowned for its exceptional strength-to-weight ratio (comparable to many steels at half the weight) and excellent corrosion resistance in harsh environments. The M21 thread size and 145mm length provide robust fastening capabilities. The precisely machined 8mm hex head ensures reliable torque application with standard tooling. This material is ideal for aerospace, marine, medical, and chemical processing industries where extreme durability and weight savings are paramount.
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 of debris. 2. Apply a suitable lubricant or anti-seize compound to the threads if specified for the application. 3. Thread the cap screw by hand initially to avoid cross-threading. 4. Tighten the cap screw to the specified torque using a calibrated torque wrench, ensuring even pressure.
| 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 |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M21 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M21 | 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 component damage. | Always use a calibrated torque wrench and adhere to recommended torque specifications for the material and application. |
| Using incompatible tools that can damage the hex head. | Utilize the correct size and type of wrench or socket designed for hex head fasteners to ensure proper engagement and prevent rounding. |
A: This Hex Head Cap Screw, Titanium Grade 5 is manufactured from Titanium Grade 5.
A: Aerospace structural components, Marine equipment and rigging, High-performance automotive assemblies, Medical implant devices, Chemical processing equipment.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||