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TPPWT (WN 1451) thermo plastic screw, 3.5 x 12 mm, pan head with washer, Article number TPPWT350121. Surface finish: zinc plated. Thermo Plastic Screw manufactured to TPPWT (WN 1451), coarse pitch, fully threaded. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution.
| Standard | TPPWT (WN 1451) |
| Property class / grade | - |
| Class (detailed) | - |
| Thread type | TP |
| Thread diameter | 3.5 mm |
| Pitch | 1.57 mm |
| Thread pitch class | Coarse |
| Thread direction | Right |
| Length | 12 mm |
| Thread length | 12 mm |
| Threading | Fully Threaded |
| Fully threaded | Yes |
| Head type | Round Head with flange |
| Drive type | TX T10 |
| Drive key width | 2.8 mm |
| Head height | 2.4 mm |
| Head diameter | 7 mm |
| Surface treatment | Zinc Bright Passivation Fe/Zn P1 (ZPL 3+ |
| Surface treatment code | ZINCPL |
| Screw Flange Thickness | 0.7 mm |
| Thread Minor Diameter | 1.91 mm |
| Torx size | T10 |
| Length | 12 mm |
| Article number | TPPWT350121 |
| Category | Bolts and Screws / Thermo Plastic Screws |
| Primary standard | TPPWT (WN 1451) |
| Standard size | 3.5 x 12 mm |
| MOQ | 1 |