Tapcon 1/4" x 3-1/4" Concrete Screw, Phillips Flat - 410 Stainless Steel | Qty. 100 PAB Anchor Bolts Simpson Drop-In expansion anchors are

Simpson Drop-In expansion anchors are internally threaded anchors designed to be used in solid base materials

Confirm the bolt is held at the correct height

Finished in corrosion-resistant ZMAX coating

and preservative-treated woods

Tapcon 1/4" x 3-1/4" Concrete Screw, Phillips Flat - 410 Stainless Steel | Qty. 100 PAB Anchor Bolts Simpson Drop-In expansion anchors areTapcon 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