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Home Fasteners Nuts, Bolts, Screws Screws Concrete Screws 376535 1/4IN X 3-3/4IN TAPCON SCREW FLAT HEAD 100 COUNT

376535 1/4IN X 3-3/4IN TAPCON SCREW FLAT HEAD 100 COUNT

PART 172299
SUPPLIER HILLMAN FASTENERS
SUPPLIER PART # 376535
RANK D
SHELF PACK 1
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About this item

Tapcon 1/4″ x 3‑3/4″ Flat‑Head Concrete Screw – 100 Pack

The Tapcon 1/4″ x 3‑3/4″ Flat‑Head Concrete Screw is engineered for secure anchoring into concrete, brick, and block. This extra-long fastener is ideal for heavy-duty applications requiring maximum fixture thickness and reliable hold. The 100-count pack ensures you have plenty for large 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‑30 Star Drive – Ensures better 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 3/16″ carbide-tipped bit for precise pilot holes.

Specifications

  • Diameter: 1/4″
  • Length: 3‑3/4″
  • Material: Carbon steel with protective coating
  • Drive Type: T‑30 Star (Torx)
  • Thread Length: Approximately 3″
  • Minimum Embedment: 1″
  • Maximum Fixture Thickness: 2‑3/4″
  • Recommended Edge Distance: 2‑1/4″
  • Minimum Spacing Between Screws: 3″
  • Performance in 2,000 psi Concrete:
    • Pull-Out Strength: ~1,000 lb
    • Shear Strength: ~1,200 lb

Applications

  • Mounting thick wood furring strips or framing to concrete or masonry walls.
  • Securing heavy electrical boxes, conduit, and fixtures.
  • Anchoring metal brackets, signage, and shelving.
  • Fastening plywood, backer boards, and trim to brick or block.
  • Ideal for interior and light exterior projects requiring extra length for thicker materials.

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Diameter 1/4 Inch
Package Count 100 Package Count
Color Blue
Head Type Flat
Finish Climaseal
Brand Hillman Fasteners
Length 3-3/4 Inch
Model 376535
Diameter 1/4 Inch
Length 3-3/4 Inches
Head Style Flat Phillips
Material Carbon Steel with Blue Climaseal
Minimum EMbedment 1 Inch required in concrete
Thread Length 1-3/4 Inch
Package Quantity 100 Screws
UPC Code 038902283894
Shelf Pack 1
Minimum Order Qty 1