Monster 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.

Monster Features:

• Head Style: Flat head with Phillips drive.
• Material: Hardened steel for strength and reliability.
• Finish: Blue corrosion-resistant coating for added durability.
• Thread Design: Cuts directly into masonry pilot holes during installation.
• Applications: Designed for concrete, brick, and block substrates.

Monster Benefits:

• Flush installation for a smooth, finished surface.
• Phillips drive provides easy installation with standard tools.
• Blue finish offers corrosion protection for longer service life.
• Reliable performance in light-to-medium duty masonry anchoring.

Monster Specifications:

Drill Bit Size:

Commercial concrete screws require a smaller pilot hole than the screw diameter:

• 1/4″ screw 3/16″ drill bit

Need drill sizes for other anchors? View our Anchor Drill Bit Size Compatibility Chart .

Quick Install Guide:

1. Drill pilot hole using 3/16″ masonry bit.
2. Clean hole of dust and debris.
3. Insert screw through fixture into pilot hole.
4. Drive screw with Phillips driver until the head is flush. Do not overtighten.

Typical Applications:

• Mounting light fixtures or electrical boxes
• Securing brackets, clips, or straps
• Attaching wood or furring strips to masonry
• General flush-mounted masonry fastening

Order in Bulk Today!

Monster Bolts 1/4″ Flat Head Phillips Commercial Concrete Screws Blue Finish deliver clean, flush installation in masonry projects. Order in bulk and get reliable, cost-effective fasteners for your next job.