Bulk 1/4" Flat Head Phillips Commercial Concrete Screws – Blue Finish – Monster Bolts Length:1800 Qty - 1/4" x 3 1/4" Drive anchor with a wrench

Drive anchor with a wrench or socket until the hex washer seats flush

Complying with DIN 7991 standards

or high-humidity environments

✔️ Larger USS dimensions for better load distribution

The button head design provides a broad bearing surface with a sleek

Bulk 1/4" Flat Head Phillips Commercial Concrete Screws – Blue Finish – Monster Bolts Length:1800 Qty - 1/4" x 3 1/4" Drive anchor with a wrenchMonster Overview: For flush mounted fastening in masonry, choose 1 4" Flat Head Phillips Commercial Concrete Screws Blue Finish from Monster Bolts. These hardened steel screws are engineered to cut threads into pre drilled pilot holes, ensuring a strong hold in concrete, brick, and block. The flat head with Phillips drive allows the screw to sit flush with the surface, making it ideal for applications where a clean, finished appearance is important.