_product.png)
TPPWT (WN 1451) thermo plastic screw, 4.0 x 12 mm, pan head with washer, Article number TPPWT400121. 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 | 4 mm |
| Pitch | 1.79 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 T20 |
| Drive key width | 3.95 mm |
| Head height | 2.6 mm |
| Head diameter | 8 mm |
| Surface treatment | Zinc Bright Passivation Fe/Zn P1 (ZPL 3+ |
| Surface treatment code | ZINCPL |
| Screw Flange Thickness | 0.8 mm |
| Thread Minor Diameter | 2.17 mm |
| Torx size | T20 |
| Length | 12 mm |
| Article number | TPPWT400121 |
| Category | Bolts and Screws / Thermo Plastic Screws |
| Primary standard | TPPWT (WN 1451) |
| Standard size | 4.0 x 12 mm |
| MOQ | 1 |