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SKU: LDT-5830

Tapcon 5/8" x 3" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

Tapcon 5/8" x 3" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10!

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SKU: LDT-5830

Tapcon 5/8" x 3" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

$46.99
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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: 3"
Fixture Hole Size: 5/8"
Drill Bit Size: 1/2"
Maximum Fixture Thickness: 1/4"
Drive Type: 9/16" Hex
Head Type: Hex Head
Material: Carbon Steel
Finish: Zinc
Manufacturer Name: ITW Red Head
Quantity: 10
Description

5/8" x 3" LDT Tapcon Screw, Zinc, Pkg 10

The 5/8 inch x 3 inch LDT Tapcon Zinc Concrete Screw Anchor is built for high-load anchoring into concrete, brick, and block. Its large diameter design delivers strong holding power without the need for expansion sleeves or secondary hardware. Each 10-pack is ideal for heavy structural connections where strength and reliability matter.

5/8" x 3" Zinc-Plated Large Diameter Concrete Screw Anchor

Finished with a protective zinc coating, this anchor provides corrosion resistance for interior and dry applications. The heavy-duty hex washer head ensures consistent torque transfer and solid clamping force during installation.

Key Features

  • Zinc-Plated Finish: Adds corrosion resistance for interior environments.
  • Large Diameter Design: Supports demanding structural loads.
  • Hex Washer Head: Delivers strong torque control and secure seating.
  • Direct Masonry Threading: Installs without sleeves or expansion anchors.

Common Applications

  • Structural Steel Brackets: Anchor heavy supports to concrete.
  • Industrial Equipment: Secure machinery bases to floors.
  • Guardrail Systems: Mount safety rails to masonry surfaces.
  • Heavy Wood Framing: Attach thick lumber to concrete walls.
  • Commercial Installations: Reinforce high-load attachments.

Installation Tips

  • Pre-Drill Accurately: Use the specified masonry bit size.
  • Clear the Hole: Remove dust for maximum thread engagement.
  • 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.