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SKU: LDT-1240

Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 25

Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 25!

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SKU: LDT-1240

Tapcon 1/2" x 4" LDT Large Diameter Concrete Screw, Hex Head - Zinc | Qty. 25

$79.99
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Ships Jun 24 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: 1/2"
Length: 4"
Fixture Hole Size: 1/2"
Drill Bit Size: 7/16"
Maximum Fixture Thickness: 1-1/2"
Drive Type: 13/16" Hex
Head Type: Hex Head
Material: Carbon Steel
Finish: Zinc
Manufacturer Name: ITW Red Head
Quantity: 25
Description

1/2" x 4" LDT Tapcon Screw, Zinc, Pkg 25

The 1/2 inch x 4 inch LDT Tapcon Zinc Concrete Screw Anchor provides deeper embedment for increased holding strength in concrete, brick, and block. Its large diameter construction supports structural applications where reliable performance is essential. Each 25-pack is ready for demanding jobsite use.

1/2" x 4" Zinc Large Diameter Concrete Screw Anchor

With a corrosion-resistant zinc finish, this anchor is well suited for interior and dry-use environments. The hex washer head design offers dependable torque control and firm clamping force during installation.

Key Features

  • Zinc-Plated Construction: Enhances corrosion resistance.
  • Extended Embedment Depth: Improves load capacity.
  • Hex Washer Head: Provides secure driving and seating.
  • Direct Thread Engagement: Eliminates need for inserts or sleeves.

Common Applications

  • Heavy Bracket Mounting: Secure structural steel to concrete.
  • Industrial Equipment Bases: Anchor machinery in place.
  • Wood-to-Concrete Framing: Attach structural lumber.
  • Commercial Construction: Reinforce load-bearing connections.
  • Warehouse Systems: Anchor racking and shelving.

Installation Tips

  • Drill to Required Depth: Ensure full thread engagement.
  • Clean Borehole: Remove dust and debris.
  • Drive Evenly: Apply steady torque until securely 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.