LBY 80pcs Knurled Hand Screw M4 Flat Knurled Head Fully Threaded Thumb Screws and Wing Nuts 9 Sizes Assortment Kit Carbon Steel Galvanize
- 1.M4 knurled head screws and wing nut assortment kit..
- 3.Size : Flat knurled head single layer step:M4 x 6 /8/ 12 / 16mm,double layer step:M4 x 6 /8/ 12 / 16mm.
- 4.Contains: 9 kinds, 40pcs of knurled head screws, 40pcs of wing nuts, a total of 80 pieces..
- 5.Use: widely used in medical equipment, chassis circuits, electronic equipment, communication equipment, ships etc..