This M21x126mm Nylon Hex Head Cap Screw offers superior corrosion resistance and electrical insulation. Engineered for reliability in challenging industrial settings, it ensures secure and long-lasting fastening solutions.
| Standard | ASTM A106 |
| Material | Nylon |
| Finish | Anodized |
| Grade | N/A |
| Size | M21 |
| Length | 126mm |
| Head Width | 27mm |
A proven choice for industrial professionals, this M21x126mm Hex Head Cap Screw is constructed from high-strength nylon, offering excellent resistance to chemicals, moisture, and temperature fluctuations. Its robust design features a 27mm head width for secure torque application with standard hex tools. The M21 thread pitch ensures compatibility with standard metric components. Ideal for applications requiring non-conductivity, weight reduction, or resistance to corrosive environments, this fastener provides dependable performance in electrical, chemical processing, and marine industries.
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. Hand-thread the screw to confirm alignment and prevent cross-threading. 3. Tighten the screw using a calibrated torque wrench to the manufacturer's recommended torque specification, ensuring consistent clamping force.
| 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-torquing the nylon screw, leading to thread stripping or material deformation. | Utilize a calibrated torque wrench and adhere to recommended torque values specific to nylon fasteners. Avoid excessive force. |
| Using incompatible tools, such as sharp-edged wrenches that can damage the nylon head. | Employ properly fitting, smooth-edged hex wrenches or sockets designed for hex head fasteners to prevent damage to the screw head. |
A: This Hex Head Cap Screw, Nylon is manufactured from Nylon.
A: Electrical enclosures and equipment mounting, Chemical processing equipment assembly, Marine and offshore installations, Lightweight structural applications.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||