Productivity:20000000 Units per Month
Hex Washer Head Self Drilling Screw
Use for constraction, fitment, sound box equipment,
some electronic products, etc
The Standard of Hex Washer Head Self Drilling Screw:
1 4.2X16 9 4.8X38
2 4.2X19 10 5.5X19
3 4.2X32 11 5.5X25
4 4.2X38 12 5.5X32
5 4.8X16 13 5.5X38
6 4.8X19 14 5.5X45
7 4.8X25 15 5.5X50
8 4.8X32