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Home Fasteners Nuts, Bolts, Screws Screws Concrete Screws 375309 1/4IN X 2-1/4IN TAPCON SCREW FLAT HEAD 100 COUNT

375309 1/4IN X 2-1/4IN TAPCON SCREW FLAT HEAD 100 COUNT

PART 893064
SUPPLIER HILLMAN FASTENERS
SUPPLIER PART # 375309
RANK B
SHELF PACK 1
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About this item

1/4" x 2-1/4" Tapcon Flat Head Concrete Screws – 100-Pack (Model 375309)

The Model 375309 Tapcon‑type flat head concrete screws deliver powerful, code‑approved holding performance for high‑demand masonry fastening applications. Built with a precision‑engineered thread design, these anchors cut cleanly into concrete, brick, and block, ensuring a secure bite and reliable long‑term holding strength. Their blue Perma‑Seal style protective coating provides corrosion resistance for both interior and exterior applications, including treated lumber installations.

These flat head Phillips Tapper‑style screws sit flush with the surface after installation, making them ideal for fixtures requiring a smooth, finished appearance. Perfect for professional contractors or advanced DIY users, they are suited for mounting electrical equipment, attaching two‑by‑fours, installing downspout straps, securing hose reels, and fastening hurricane shutters. Their superior performance makes them a dependable alternative to expansion anchors and lag shields.

Key Features

  • Advanced thread design engineered to cut directly into concrete, block, and brick.
  • Flat head Phillips drive allows flush, clean installation ideal for surface‑mounted fixtures.
  • Corrosion‑resistant blue Perma‑Seal coating extends anchor life in indoor and outdoor environments, including treated lumber contact.
  • Excellent holding strength across concrete, brick, and C‑90 block base materials.
  • Suitable for light‑to‑medium‑duty structural and mechanical fastening.
  • Building‑code‑approved design including Miami‑Dade NOA compliance for structural applications.
  • Designed for use with matching Tapper‑style bits for best installation performance.

Specifications

  • Model Number: 375309
  • Diameter: 1/4 inch
  • Length: 2-1/4 inches
  • Head Style: Flat Head Phillips
  • Material: Steel with blue corrosion‑resistant coating
  • Base Material Compatibility: Concrete, brick, and hollow block
  • Drill Size Required: 3/16 inch
  • Minimum Embedment: 1 inch
  • Pack Quantity: 100 screws
  • Holding Strength Ratings:
    • Up to 370 lbs in 4000 PSI concrete
    • Up to 190 lbs in C‑90 hollow block
    • Up to 210 lbs in brick
  • Building Code: Approved for structural use
  • Typical Applications: Indoor/outdoor general construction and masonry fastening

Applications

These screws are ideal for:

  • Attaching electrical equipment, conduit straps, and wall‑mounted components.
  • Securing two‑by‑fours, sill plates, and furring strips to masonry surfaces.
  • Mounting hose reels, downspout straps, flagpoles, and hurricane shutters.
  • General fastening into solid concrete, hollow block, and brick.
  • Projects requiring flush‑mounted hardware where a smooth finish is desirable.

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Length 2-1/4 Inch
Package Count 100 Package Count
Head Type Flat
Brand Hillman Fasteners
Color Blue
Finish Perma-Seal
Diameter 1/4 Inch
Model 375309
Diameter 1/4 Inch
Length 2-1/4 Inch
Head Style Flat Head Phillips
Material Steel with Blue Corrosion-resistant coating
Base Material Concrete, Brick and Hollow Block
Pack Quantity 100 Screws
Typical Applications Indoor/Outdoor General Construction and Masonry Fastening
UPC Code 008236385731
Shelf Pack 1
Minimum Order Qty 1
Supplier Name Hillman Fasteners
Supplier Short Name Hillam Fas
Supplier Address 1 10590 Hamilton Ave PO Box 31012
Supplier City Cincinnati
Supplier State OH
Supplier Zip 31012
Country US
Supplier Email antonella.seneca@hillmangroup.com
Supplier Url www.hillmangroup.com
Buyer Name Michael Heck
Supplier Phone (800) 800-4900
Supplier Fax (513) 851-4997
Our Customer Id 8400119
Drop Ship Ppd Freight $250
Drop Ship Order Min $25
Return Policy Return to Wallace
Product Lines Fasteners, Deck Screw, Threaded Rods
Rep Name Antonella Seneca
Rep Phone (856) 304-9214
Rep Email antonella.seneca@hillmangroup.com
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