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Home Fasteners Nuts, Bolts, Screws Screws Concrete Screws 376541 5/16IN X 3-1/4IN TAPCON SCREW FLAT HEAD 50 COUNT

376541 5/16IN X 3-1/4IN TAPCON SCREW FLAT HEAD 50 COUNT

PART 172304
SUPPLIER HILLMAN FASTENERS
SUPPLIER PART # 376541
RANK D
SHELF PACK 1
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About this item

Tapcon 5/16″ x 3‑1/4″ Flat‑Head Concrete Screw – 50 Pack

The Tapcon 5/16″ x 3‑1/4″ Flat‑Head Concrete Screw is designed for heavy-duty anchoring into concrete, brick, and block. This larger-diameter screw offers superior holding power for demanding applications, making it ideal for structural and high-load installations. The 50-count pack ensures you have the strength and quantity needed for professional-grade projects.

Key Features

  • Flat Head Design – Countersinks flush for a clean, professional finish.
  • Blue Climaseal® Coating – Provides superior corrosion resistance for indoor and light outdoor use.
  • T‑40 Star Drive – Ensures maximum bit engagement, reducing cam-out and stripping.
  • Self-Tapping Threads – Eliminates the need for anchors or inserts, simplifying installation.
  • Reduced Torque Requirement – Patented thread design allows easier driving and faster installation.
  • Includes Drill Bit – Comes with a 1/4″ carbide-tipped bit for precise pilot holes.

Specifications

  • Diameter: 5/16″
  • Length: 3‑1/4″
  • Material: Carbon steel with protective coating
  • Drive Type: T‑40 Star (Torx)
  • Thread Length: Approximately 2‑1/2″
  • Minimum Embedment: 1‑1/4″
  • Maximum Fixture Thickness: 2″
  • Recommended Edge Distance: 2‑1/4″
  • Minimum Spacing Between Screws: 3″
  • Performance in 2,000 psi Concrete:
    • Pull-Out Strength: ~1,500 lb
    • Shear Strength: ~1,800 lb

Applications

  • Anchoring heavy wood framing or structural components to concrete or masonry.
  • Securing large electrical panels, conduit, and heavy fixtures.
  • Mounting steel brackets, shelving systems, and industrial supports.
  • Ideal for interior and light exterior projects requiring maximum strength and durability.

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Diameter 5/16 Inch
Brand Hillman Fasteners
Length (Inch) 3-1/4 Inch
Package Count 50 Package Count
Finish Climaseal
Color Blue
Head Type Flat
Model 376541
Diameter 5/16 Inch
Length 3-1/4 Inches
Head Type Flat, Countersunk
Material Steel with Corrosion-resistant protective coating
Count 50 Screws Per Pack
Color Blue
UPC Code 038902283962
Shelf Pack 1
Minimum Order Qty 1
Supplier Name HILLMAN FASTENERS - 6087/6086 -
Supplier Short Name Hillam Fas
Supplier Address 1 10590 Hamilton Ave PO Box 31012
Supplier City 1280 Kemper Meadow Dr Forest Park
Supplier State OH
Supplier Zip 45240
Country US
Supplier Email info@hillmangroup.com
Supplier Url www.shop.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 Cell 856-304-9214
Rep Email antonella.seneca@hillmangroup.com
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