what size drywall screws for 1/2 drywall

For 1/2-inch drywall, the standard screw size is 1-1/4 inches long. This length ensures the screw penetrates the full thickness of the drywall (about 1/2 inch) and embeds at least 3/4 inch into the wood stud behind it for a secure hold.

Many experts and forums agree that 1-1/4-inch #6 or #8 coarse-thread screws work best for wood framing, as they grip tightly without stripping. Some prefer 1-5/8-inch screws for extra bite, especially on ceilings or softer wood, but avoid anything longer like 2 inches to prevent poking through.

Screw Types Explained

• Coarse thread : Ideal for wood studs; bites aggressively for maximum pull-out resistance.

• Fine thread : Better for metal studs; less likely to strip thin metal.

• Gauge (#6 or #8) : #6 is slimmer and fine for most jobs; #8 adds strength for heavier loads.

Quick Sizing Chart

Drywall Thickness	Recommended Screw Length	Best For
1/2 inch	1-1/4" or 1-5/8"	Walls/ceilings on wood
5/8 inch	1-5/8" or 2"	Fire-rated or commercial

[5][7][3] Imagine hanging a massive 4x8 sheet solo: undersized screws (like 1-inch) might let it sag over time, while perfect 1-1/4-inch ones lock it flush, saving you callbacks years later. Recent Reddit threads from early 2025 echo this—users swear by 1-1/4 inches as the "Goldilocks" size for 1/2-inch boards on 2x4s.

Pro Tips from Forums

• Spacing : 12-16 inches on edges, 16 inches in the field.

• Ceilings : Bump to 1-5/8 inches; gravity fights harder up top.

• Avoid mistakes : Too short = weak hold; too long = dimples or blowouts. Test on scrap first.

**TL;DR: Go with 1-1/4 inch #6 coarse-thread screws for 1/2-inch drywall on wood—it's the pro consensus as of 2026 guides.

Information gathered from public forums or data available on the internet and portrayed here.