4 Pronged T Nuts Assortment Kit 1/4-20 5/16-18 3/8-16 Zinc Plated Steel Tap In T Nuts For Rock Climbing Holds Wood Cabinetry Sheet Metal 100 Pack Durable Rust Resistant Set

4-Prong T-Nuts Kit for Wood and Metal, 100-Pack
✔️ Includes 50 of 1/4-20, 25 of 5/16-18, 25 of 3/8-16

Tap-in T-nuts give you a simple way to create strong threaded inserts in wood, plywood, cabinetry, rock climbing holds, and light sheet metal. They bite into the material with four prongs, resisting turning and pull-out under load. This 100-piece set covers three commonly used thread sizes for flexible, long-lasting mounting projects.

✅ 50 pcs 1/4"-20 x 5/16"
✅ 25 pcs 5/16"-18 x 5/16"
✅ 25 pcs 3/8"-16 x 7/16"
✅ Zinc-plated carbon steel for rust resistance
✅ Four-prong design locks into wood or sheet metal
✅ Quick tap-in installation for secure mounting
✅ Pack: 100 pieces total (50/25/25) in silver finish

💡 What is a tap-in T-nut used for in woodworking and metal projects?

- Handy threaded insert that creates a secure, removable mounting point
- Four-prong design prevents spinning and pull-out under load
- Zinc-plated carbon steel resists rust for long-term use
- Works with common thread sizes like 1/4-20, 5/16-18, 3/8-16