Engineered for superior strength-to-weight ratio, this M21x133mm Hex Head Cap Screw is crafted from aerospace-grade Titanium Grade 5. Ideal for demanding environments requiring exceptional corrosion resistance and performance.
| Standard | ASTM A106 |
| Material | Titanium Grade 5 |
| Finish | Passivated |
| Grade | N/A |
| Size | M21 |
| Length | 133mm |
| Head Width | 36mm |
Manufactured under strict quality controls, this M21x133mm Hex Head Cap Screw features a nominal diameter of M21, a length of 133mm, and a substantial head width of 36mm. Constructed from Titanium Grade 5 (Ti-6Al-4V), it offers exceptional tensile strength, fatigue resistance, and outstanding corrosion resistance, particularly in aggressive chemical and saltwater environments. Its low density makes it ideal for weight-sensitive applications.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating threads are clean and free of debris. 2. Apply a suitable lubricant if required for the specific application to prevent galling. 3. Tighten to the manufacturer's recommended torque specification using a calibrated torque wrench.
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Overtightening, leading to thread stripping or component damage. | Always adhere to torque specifications and use a calibrated torque wrench. |
| Galling due to insufficient lubrication or improper thread preparation. | Clean mating threads thoroughly and use an appropriate anti-seize compound or lubricant designed for titanium. |
A: This Hex Head Cap Screw, Titanium Grade 5 is manufactured from Titanium Grade 5.
A: Aerospace structural components, Medical implants and devices, Marine hardware and offshore 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. | ||||