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SKU: LDT-3444

Tapcon 3/4" x 4-1/2" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

Tapcon 3/4" x 4-1/2" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10!

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SKU: LDT-3444

Tapcon 3/4" x 4-1/2" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 10

$72.00
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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: 3/4"
Length: 4-1/2"
Fixture Hole Size: 3/4"
Drill Bit Size: 5/8"
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

3/4" x 4-1/2" LDT Tapcon Screw, Zinc, Pkg 10

The 3/4 inch x 4-1/2 inch LDT Tapcon Zinc Concrete Screw Anchor is built for extreme-duty anchoring in concrete and masonry. Its oversized diameter and deep embedment profile deliver maximum holding strength in structural applications. Each 10-pack is designed for heavy construction projects requiring dependable performance.

3/4" x 4-1/2" Zinc Extra-Large Diameter Concrete Anchor

Finished with protective zinc plating, this anchor provides corrosion resistance in dry and interior environments. The heavy-duty hex washer head ensures powerful torque transfer and secure seating during installation.

Key Features

  • Oversized Diameter: Designed for maximum load capacity.
  • Zinc Finish: Adds corrosion protection for interior use.
  • Hex Washer Head: Supports high torque and firm clamping.
  • Direct Thread Cutting: Eliminates need for expansion anchors.

Common Applications

  • Structural Steel Columns: Anchor large supports to concrete.
  • Industrial Equipment Bases: Secure heavy machinery.
  • Safety Barrier Systems: Mount protective railings.
  • Commercial Construction: Reinforce load-critical connections.
  • Warehouse Infrastructure: Anchor high-capacity storage systems.

Installation Tips

  • Pre-Drill Accurately: Use manufacturer-specified masonry bit.
  • Clean Hole Thoroughly: Remove dust before driving anchor.
  • Drive with Controlled Torque: Seat securely without over-tightening.
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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.