This M21x111mm Nylon Hex Head Cap Screw offers exceptional resistance to corrosion and chemicals. Its lightweight, non-conductive properties make it ideal for demanding industrial environments where traditional metal fasteners fall short.
| Standard | ASTM A106 |
| Material | Nylon |
| Finish | Anodized |
| Grade | N/A |
| Size | M21 |
| Length | 111mm |
| Head Width | 28mm |
A high-performance industrial component, this M21x111mm Hex Head Cap Screw is precision-engineered from robust Nylon. Its M21 metric thread standard ensures compatibility with standard tapped holes and nuts. The substantial 28mm head width provides ample bearing surface for secure fastening, while the 111mm length offers significant grip. Nylon's inherent dielectric strength, excellent chemical inertness, and resistance to galvanic corrosion make this fastener suitable for applications in corrosive atmospheres, electrical enclosures, water treatment facilities, and food processing equipment where contamination is a concern.
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. Thread the Nylon Hex Head Cap Screw into the receiving component by hand for initial engagement, verifying smooth thread travel. 3. Using an appropriate metric socket wrench or hex driver, tighten the screw to the required torque specification for the application, avoiding over-tightening which can strip threads or deform the fastener.
| 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 |
|---|---|
| Over-tightening the nylon screw, leading to thread stripping or fastener deformation. | Refer to the material's torque specification or use a torque-limiting driver to prevent over-tightening. Hand-tighten first to ensure proper thread engagement. |
| Using in applications exceeding the temperature or load-bearing limits of Nylon. | Consult the material's technical data sheet to confirm suitability for the intended operating temperature and expected mechanical loads. Consider alternative materials if limits are exceeded. |
A: This Hex Head Cap Screw, Nylon is manufactured from Nylon.
A: Chemical Processing Equipment, Electrical Enclosures and Assemblies, Marine and Coastal Environments, Food and Beverage Processing, Water Treatment Facilities.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||