Bolt Dropper hardware is the highest quality available on the market and we stand by our claim 100%. Dimensions]Inside Diameter: 3/8 | Threads Per Inch: 16 | Barrel Length: 7/16 | Thread Type: Coarse (standard) | Quantity: 200 pcs | Material: Zinc Coated... International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Bolt Dropper 1/4-20 Stainless Hex Nuts (100 Set), 18-8 (304) Stainless Bulk T-nut Pack 3/8"-16 T-Nuts (200 Pack), Zinc-Plated Steel Corrosion Resistant, 7/16" Barrel Length, 4-Pronged Tee Nut For Wood, Rock Climbing Holds, Cabinetry By Bolt Dropper Cabinetry T-nuts This zinc coated steel is superior to regular steel and provides excellent rust resistance. Bolt Dropper 3/8"-16 T-Nuts - 100 Pack Zinc-Plated Steel Tee Nuts with 7/16-Inch Barrel Length - Rust-Resistant Threaded Inserts for Wood Projects, Rock Climbing Holds and Cabinetry Applications T NUTS YOU CAN DEPEND ON: Our T nuts are very strong and are great for both indoor and outdoor use. HIGH QUALITY STEEL: These T Nuts are Zinc coated Steel which is one of the highest forms of corrosion resistant metals, making it last longer than other nuts on the market today.