Bulk 1/4" Flat Head Phillips Commercial Concrete Screws – Blue Finish – Monster Bolts Length:1800 Qty - 1/4" x 3 1/4" high-load projects demanding maximum stability

high-load projects demanding maximum stability and strength

Dimensions: Standard US / Inch sizes for compatibility with inch fasteners

DIN 7500 C Lobular Thread: Rolls—not cuts—metal for superior strip-out & fatigue resistance

The sharp cone point allows for deep material penetration

Bulk 1/4" Flat Head Phillips Commercial Concrete Screws – Blue Finish – Monster Bolts Length:1800 Qty - 1/4" x 3 1/4" high-load projects demanding maximum stabilityMonster 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.