LBY Knurled Hand Screw and Flat Butterfly Shape Nut M4 Assortment Kit

● Product:

- Single layer step:
- M4 x 6 / 8/12 / 16mm
- Double layer step:
- M4 x 6 / 8/12 / 16mm
- Butterfly shape nut————— M4
- Material: Carbon steel - Main Color:Silver Blue
-Surface treatment:Galvanized

● Package:

- Single layer step:
- M4 x 6mm - 5pcs
- M4 x 8mm - 5pcs
- M4 x 12mm - 5pcs
- M4 x 16mm - 5pcs
- Double layer step:
- M4 x 6mm - 5pcs
- M4 x 8mm - 5pcs
- M4 x 12mm - 5pcs
- M4 x 16mm - 5pcs
- Butterfly shape nut
- M4 ----- 40pcs

● Description:

- Flat knurled head single layer step butterfly shape nut combination. Metal products are easy to use and durable.
- A variety of specifications for easy selection.
- This is a hand screw set, including two species：knurled hand screw and butterfly shape nut.
- Widely used in medical equipment, chassis circuits, electronic equipment, communication equipment, ships etc.