Photosensitive Dry Film for PCB Circuit Photoresist Sheets with 20Pc M2x3mmx3.2mm Female Threaded Knurled Embedded Nuts
- 21 pcs Industrial tools: 20 x Knurled Nut & 1 x photosensitive dry film
- Photographic film, also known as dry film, is used to make PCB board, stick it on top of the PCB, it will become a sensitive circuit board.
- Suitable for plating, hole covering,and the etching process.
- Excellent adhesion to almost all surfaces
