Concrete Screw Anchor 1/4 in x 6 in with Drill Bit - Solid Hold

In this review the CONFAST 1/4 in x 6 in Blue Flat Phillips Concrete Screw Anchor is judged for contractors and DIYers who need a straightforward fastener for concrete, block, or brick. The single biggest reason to buy is the included drill bit in each box, which simplifies setup and helps achieve consistent hole size for better holding. The review focuses on real-world drilling, driving, and holding performance in dry masonry environments and notes mixed customer reports on grip under heavy stress.

Key Features

• Bit included: Each box ships with a carbide bit sized to the required 3/16 in hole, cutting the need to match bits separately and improving installation consistency.
• Flat Phillips head: The countersunk Phillips head allows the fastener to sit flush so attachments lie flat against concrete, block, or brick surfaces.
• Self-tapping design: The screw taps threads directly into the masonry material, eliminating the need for separate anchors and reducing installation steps.
• Diamond point: The diamond point cuts into masonry more easily, which can speed driving and reduce the effort on a per-screw basis.
• Carbon steel construction: The steel body offers the strength needed for many interior masonry applications when used in a dry environment.

Who It's For

These anchors are best for tradespeople, builders, and handy homeowners who fasten fixtures to concrete, block, or brick and value a packaged solution with a matching drill bit. The included bit and self-tapping screw make batch installations faster and ensure the correct 3/16 in pilot hole when using a hammer drill.

Those who need heavy structural anchoring under extreme loads or outdoor corrosion resistance should look elsewhere, since the product is described for dry environments and is carbon steel. If bit durability under continuous use is critical, consider higher-grade bits sold separately.

Pros & Cons

Pros

• Included drill bit saves time and ensures the correct 3/16 in hole size for reliable installation.
• Flat countersunk Phillips head keeps fastened items flush to the surface for a clean finish.
• Self-tapping threads remove the need for separate anchors, simplifying the workflow on masonry projects.
• Diamond point improves drill-in performance and can reduce driving torque and time.

Cons

• Some users report mixed holding strength and occasional thread failure during installation in certain materials.
• Carbon steel and the included bit may not offer the long-term durability or corrosion resistance required for outdoor or highly demanding structural uses.

Specifications

Brand	CONFAST
Diameter	1/4 in
Length	6 in
Required hole diameter	3/16 in (use carbide tipped bit)
Head style	Flat countersunk Phillips (driver #3)
Material	Carbon steel
Included	Box of 100 screws with drill bit

Our Verdict

The CONFAST 1/4 in x 6 in screw anchors are a practical, value-oriented choice for interior masonry work where a matched drill bit and straightforward installation matter. They suit contractors and DIY users who need reliable, flush fastening for concrete, block, and brick projects, though those needing outdoor corrosion resistance or guaranteed high-load performance should consider specialty anchors.

Frequently Asked Questions

What drill bit size is required?
The anchor requires a 3/16 in hole drilled with a carbide tipped bit; the box includes a matched bit.

Can these be used outdoors?
They are specified for dry environments and are carbon steel, so outdoor or high-moisture applications may need a more corrosion-resistant option.

What driver is needed?
A #3 Phillips driver is required to drive the flat countersunk head fully into the surface.