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SKU: LDT-5840

Tapcon 5/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

Tapcon 5/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10!

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SKU: LDT-5840

Tapcon 5/8" x 4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

$54.99
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Ships Jun 15 when you order now

Lengths:

1-3/4" 2-1/2" 3" 4" 5" 6" 4-1/2" 5-1/2" 6-1/4"

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Specifications

Diameter: 5/8"
Length: 4"
Fixture Hole Size: 5/8"
Drill Bit Size: 1/2"
Maximum Fixture Thickness: 1-1/4"
Drive Type: 13/16" Hex
Head Type: Hex Head
Material: Carbon Steel
Finish: Zinc
Manufacturer Name: ITW Red Head
Quantity: 10
Description

5/8" x 4" LDT Tapcon Screw, Zinc, Pkg 10

The 5/8 inch x 4 inch LDT Tapcon Zinc Concrete Screw Anchor is engineered for serious load-bearing applications in concrete, brick, and block. Its large diameter body and extended embedment depth provide strong pull-out resistance without the need for expansion sleeves. Each 10-count package is ideal for structural anchoring where performance cannot be compromised.

5/8" x 4" Zinc-Plated Heavy-Duty Concrete Screw Anchor

Coated with a corrosion-resistant zinc finish, this anchor is well suited for interior and dry-use environments. The hex washer head delivers dependable torque transfer and solid clamping force during installation.

Key Features

  • Zinc-Plated Finish: Enhances corrosion resistance in interior settings.
  • Large Diameter Design: Built for high-load structural applications.
  • Hex Washer Head: Provides strong driving control and secure seating.
  • Direct Masonry Engagement: Installs without expansion hardware.

Common Applications

  • Structural Steel Connections: Anchor heavy brackets to concrete.
  • Industrial Equipment: Secure machinery bases to floors.
  • Guardrail Installation: Mount safety systems to masonry.
  • Thick Wood Framing: Attach large timbers to concrete walls.
  • Warehouse Infrastructure: Reinforce racking and supports.

Installation Tips

  • Use Specified Drill Bit: Match bit size to anchor requirements.
  • Remove Dust Thoroughly: Clean hole for maximum thread grip.
  • Drive with Proper Socket: Apply steady torque until firmly seated.
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× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.

Customer Reviews

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J
Jeremiah Glosenger
Exactly as advertised

These worked great. Just be aware that they use a 1/2" drill and are the same size as the Tapcon nominal 1/2" concrete screws, so they won't save you if the hole is a little too big.