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Home Fasteners Nuts, Bolts, Screws Screws Concrete Screws 376540 5/16IN X 2-3/4IN TAPCON SCREW FLAT HEAD 50 COUNT

376540 5/16IN X 2-3/4IN TAPCON SCREW FLAT HEAD 50 COUNT

PART 172303
SUPPLIER HILLMAN FASTENERS
SUPPLIER PART # 376540
RANK D
SHELF PACK 1
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About this item

Tapcon 5/16 in. x 2‑3/4 in. Flat Head Concrete Screw Anchors – 50 Count (Model 376540)

When a job demands reliable anchoring into concrete, brick, or block, Tapcon remains the industry’s most trusted name. The Tapcon 5/16 in. x 2‑3/4 in. Flat Head Concrete Screw Anchor delivers exceptional holding strength, consistent performance, and ease of installation—making it a professional‑grade solution for medium‑to‑heavy‑duty fastening needs.

Engineered for precision thread‑forming within hardened masonry, these anchors eliminate the need for inserts or complex expansion hardware. Their flat‑head countersinking design ensures a clean, flush finish, ideal for applications where surface profile and stability both matter.

Whether you’re mounting fixtures, attaching wood to concrete, or performing general construction and remodeling tasks, these screws offer dependable engagement and durability backed by Tapcon’s proven masonry‑fastening technology.

Key Features

  • Designed specifically for fastening into concrete, brick, and block, delivering consistent and reliable holding power.
  • Flat, countersunk head ensures a flush, clean finish—great for wood‑to‑masonry installations and projects requiring low‑profile hardware.
  • Precision‑cut thread design creates secure threads in masonry for strong engagement and long‑lasting fastening.
  • Efficient installation process using standard Tapcon drilling and driving methods; no inserts or secondary components needed.
  • Durable steel construction built to withstand demanding applications in solid masonry and structural environments.

Specifications

  • Model Number: 376540
  • Diameter: 5/16 in.
  • Length: 2‑3/4 in.
  • Head Style: Flat, countersinking head for flush installation
  • Material: Hardened steel
  • Drive Style: Flat‑head compatible driver (varies by production batch)
  • Quantity: 50 screws per package
  • Compatible Materials: Concrete, block, and brick

Recommended Applications

These screws are ideal for medium‑to‑heavy‑duty fastening projects, including:

  • Wood‑to‑Concrete fastening — Excellent for sill plates, ledger boards, blocking, and framing components that require a flush, stable connection.
  • Mounting fixtures and hardware — Suitable for securing electrical boxes, conduit straps, shelving brackets, and other equipment into masonry.
  • Construction and renovation tasks — Perfect for interior or exterior projects where dependable anchoring and a low‑profile finish are needed.
  • Brick and block attachment — Reliable for mounting fixtures, supports, or accessories directly into solid or hollow masonry surfaces.

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Diameter 5/16 Inch
Brand Hillman Fasteners
Head Type Flat
Package Count 50 Package Count
Finish Climaseal
Length 2-3/4 Inch
Color Blue
Model 376540
Diameter 5/16 Inch
Length 2-3/4 Inches
Head Style Flat, countersinking head for flush installtion
Material Hardened Steel
Drive Style Flat-Head Compatible Driver
Package Quantity 50 Screws Per Box
Compatible Materials Concrete, Block and Brick
UPC Code 038902283931
Shelf Pack 1
Minimum Order Qty 1