Cross Recess Drywall Self-Drilling Screw 6-18x25-45 Z/Y

Product Overview
This product is a carbon steel quenched cross recess drywall self-drilling screw, with a surface color zinc passivation treatment and a length of 25-45mm. It combines the countersunk embedding advantage of drywall screws with the self-drilling capability of self-drilling screws, enabling one-time penetration through panels and light steel keels up to 1.8mm thick without pre-drilling. It is a general-purpose fastening accessory for indoor partition walls and suspended ceilings.

Product Applications
Fixing light steel keel gypsum board partition walls, suspended ceilings, and base layers for feature walls in residential and commercial projects;
Connecting calcium silicate boards, cement fiberboards, and OSB boards with light steel keels;
Light-duty indoor assembly of galvanized thin sheets up to 1.8mm combined with decorative panels.
Suitable only for indoor dry or mildly humid environments; not for outdoor use, thick steel plates, or load-bearing steel structures.