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

or high-humidity environments

Our DIN 934 Class 10 Hex Nuts are available in Metric sizes ranging from M3 to M36

pre-drilling or chip cleanup

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.