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Drywall Anchor Weight Capacities: Toggle Bolts vs Self-Drilling vs Wall Plugs

How much weight can hollow drywall anchors actually hold? Detailed load testing data for plastic expansion plugs, self-drilling metal anchors, and spring toggle bolts.

By Screwnet Technical Engineering Team
24 August 2026
7 min read

Safe Working Load (SWL) in 1/2-inch Drywall

Anchor Type Max Shear Load (Vertical) Max Tension Load (Pull-out) Recommended Use
Plastic Ribbed Plug 5 - 8 kg 2 - 4 kg Picture frames, small clocks, smoke detectors
Self-Drilling Zinc Anchor 15 - 20 kg 8 - 12 kg Curtain rods, floating shelves, mirrors
Hollow Wall Molly Bolt 20 - 30 kg 15 - 20 kg Wall cabinets, light TV brackets
Spring Toggle Bolt 40 - 50+ kg 25 - 35 kg Heavy TV wall mounts, kitchen wall units