Tapcon 1/4" x 3-1/4" Concrete Screw, Phillips Flat - 410 Stainless Steel | Qty. 30,000 (Pallet) Collated Wood-to-Metal Self-Drilling Screws Built-in spring-loaded fitting locks securely

Built-in spring-loaded fitting locks securely into standard E-track or X-track rails

Unmatched corrosion resistance with advanced zinc-aluminum alloy coating

heavy equipment transport

It can be installed three ways: with no routing of header/post or beam

Tapcon 1/4" x 3-1/4" Concrete Screw, Phillips Flat - 410 Stainless Steel | Qty. 30,000 (Pallet) Collated Wood-to-Metal Self-Drilling Screws Built-in spring-loaded fitting locks securelyTapcon 410 Stainless Steel Phillips Flat Head Concrete Screws are designed for fastening into concrete, brick, or block, delivering lasting performance in tough jobsite conditions. Made from tough 410 stainless steel, these screws are strong enough to hold tight in concrete and resist rust. The Phillips flat head offers a clean, finished appearance and is ideal for countersunk applications where flush seating is desired.. With aggressive Hi Lo threads