Engineered from high-performance polycarbonate, this M20 x 99mm hex head cap screw offers exceptional dielectric strength and chemical resistance, ideal for corrosive or electrically sensitive environments.
| Standard | DIN 933 |
| Material | Polycarbonate |
| Finish | Plain |
| Grade | N/A |
| Size | M20 |
| Length | 99mm |
| Head Width | 13mm |
Manufactured under strict quality controls, this M20 x 99mm hex head cap screw features a 13mm head width and is constructed from robust polycarbonate. This advanced polymer provides superior resistance to a wide range of chemicals, including acids and alkalis, making it suitable for applications where traditional metal fasteners would corrode. Its non-conductive properties are crucial for electrical insulation and preventing galvanic corrosion. The high impact strength ensures durability in demanding operational conditions. Torque values should be carefully considered to avoid over-stressing the polycarbonate material.
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. Hand-thread the screw to engage initial threads, verifying alignment. 3. Using an appropriate wrench, tighten the screw to the recommended torque specification, avoiding over-tightening to prevent material damage.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | 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 screw. | Refer to torque charts for polycarbonate fasteners or use a torque wrench set to a low, controlled value to prevent stripping or cracking. |
| Using in environments with extreme temperature fluctuations beyond polycarbonate's rating. | Verify operating temperature range of polycarbonate and select alternative materials if conditions exceed its capabilities. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Electrical enclosures and switchgear, Chemical processing equipment, Marine and offshore installations, Food and beverage processing 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. | ||||