Features:
The expansion screw is made of high-quality nylon material, which is corrosion-resistant, impact-resistant, high expansion coefficient, good hardness, and not easy to break.

The matching 304 stainless steel screws have good corrosion resistance and heat resistance.

This gypsum board screw set can be stored for many years and can be easily removed from the gypsum board after use.

Specification:
001: 50pcs expansion screw 10*33 + 50pcs stainless steel screw 3.5*12

002: 50pcs expansion screw 13*42 + 50pcs stainless steel screw 4*20

003: 50pcs expansion screw 15*33 + 50pcs stainless steel screw 4*25

The package includes:
50pcs nylon expansion screws + 50pcs 304 stainless steel round head tapping screws

Note:
1. First, measure the diameter of the wall, which needs to correspond to the size of the nylon expansion tube of the engineering product.

2. Use a screwdriver to press the expansion screw on the wall of the gypsum board where the holes have been made in advance.