Cup head inner hexagon self tapping, blackened cylinder head inner hexagon self tapping, stereo scre
- Product description:304 stainless steel, 8.8 hard cup head internal hexagon tapping screw, stainless steel screw, cylinder head hexagon tapping screw, audio screw
The self tapping locking screw of hexagon socket head
Cup head inner hexagon self tapping, blackened cylinder head inner hexagon self tapping, stereo scre
Material: stainless steel 304316, grade 8.8 high strength and grade 12.9 high strength
It can also support non-standard customization.