Best Concrete Screws for Anchoring To Concrete Block (2026)

Selections emphasize masonry-specific design (self-tapping concrete screws), included drill bits, appropriate diameters and lengths for block anchoring, and value across CONFAST product variations

This roundup covers concrete screws suited for anchoring into concrete block, focusing on fit, corrosion resistance, and included drill bits to simplify installation. Picks were chosen by evaluating screw size and length options, masonry-specific features, and overall value across available CONFAST offerings

Top Picks

  1. 1
    CONFAST 3/16 x 4 in hex head concrete screw with drill bit

    CONFAST 3/16 x 4 in hex head concrete screw with drill bit

    CONFAST • ★ 4.0/5 • Budget

    Concrete screw anchor for masonry, block or brick. Includes self-tapping hex-head screw with a diamond point for easier driving; bit inclusion varies by order. Users note solid holding power and ease of installation, with mixed reports on durability

    • bit included in some boxes
    • self-tapping onto masonry
    • drives hex-head screws into masonry
    Check current price on Amazon →
  2. 2
    CONFAST 1/4" x 3-1/4" hex head concrete screw anchor

    CONFAST 1/4" x 3-1/4" hex head concrete screw anchor

    CONFAST • ★ 3.9/5 • Budget

    Concrete screw anchor with drill bit included in each box. Self-tapping into masonry for masonry, block or brick installations; slotted hex head compatible with nut drivers. Customer insight notes mixed durability and occasional drill bit omission

    • bit included in each box
    • self-tapping into masonry
    • diamond point for easier driving
    Check current price on Amazon →
  3. 3
    CONFAST 1/4" x 3-3/4" hex head concrete screw anchor

    CONFAST 1/4" x 3-3/4" hex head concrete screw anchor

    CONFAST • ★ 3.9/5 • Mid-Range

    Concrete screw anchor with drill bit included for mounting to masonry. Self-tapping and slotted hex head for easy driving; designed to tap threads directly into masonry. Customer insight highlights ease of installation and mixed durability feedback

    • bit included in box
    • self-tapping masonry screws
    • hex head drive compatibility
    Check current price on Amazon →

Buying Guide

Match screw size to load and fixture

Choose 3/16" or 1/4" diameters based on the required shear and pullout strength; larger diameters generally carry higher loads in concrete block

Pick adequate embedment length

Allow for sufficient concrete embedment beyond the fixture—longer screws (e.g., 3-3/4" to 4") increase holding power in block cores or mortar joints

Prefer screws with included masonry drill bits

Products that include a carbide masonry drill bit streamline installation and ensure the correct hole size for self-tapping concrete screws

Check head style and drive type

Hex head screws provide higher torque capacity for heavy fixtures, while other drives may suit compact drivers—pick the head that matches your tooling

Consider corrosion resistance

Look for coatings or materials rated for masonry applications when anchoring outdoors or in humid environments to reduce long-term corrosion