Engineered for exceptional performance, this M16 x 57mm Hex Head Cap Screw is fabricated from high-strength polycarbonate. Its robust design offers superior corrosion resistance and electrical insulation, making it ideal for challenging industrial and marine applications.
| Standard | ASTM A106 |
| Material | Polycarbonate |
| Finish | Galvanized |
| Grade | N/A |
| Size | M16 |
| Length | 57mm |
| Head Width | 17mm |
Precision-manufactured to tight tolerances, this M16 x 57mm Hex Head Cap Screw features a 17mm head width for standard tooling compatibility. Constructed from advanced polycarbonate, it boasts excellent impact strength, UV resistance, and a wide operating temperature range, resisting degradation from many chemicals and solvents. Its non-magnetic and non-conductive properties are critical for applications where electrical interference or galvanic corrosion must be avoided. Ideal for use in environments exposed to moisture, corrosive substances, or requiring dielectric strength.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select appropriate torque wrench and socket for the M16 hex head. 2. Align the screw with the pre-tapped hole or mating component. 3. Thread the screw by hand initially to ensure proper engagement and prevent cross-threading. 4. Apply torque gradually to the specified level, avoiding over-tightening to prevent material deformation.
| 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) |
|---|---|---|
| M16 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M16 | 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 polycarbonate screw, leading to potential cracking or stripping of the threads. | Use a calibrated torque wrench and adhere to recommended torque specifications for polycarbonate fasteners to ensure secure fastening without damaging the material. |
| Using incompatible tools or excessive force, potentially damaging the hex head or the screw itself. | Utilize standard metric hex sockets of the correct size (17mm) and apply smooth, controlled force during tightening. |
A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.
A: Corrosive chemical processing equipment, Marine and offshore installations, Electrical enclosures and control panels.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||