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SKU: LDT-3816

Tapcon 3/8" x 1-3/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50

Tapcon 3/8" x 1-3/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50!

  • 38 inch x 134 inch LDT Tapcon Screw Zinc Pkg 50
  • LDT Tapcon Screw, Zinc Spec
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Zinc Large Diameter Concrete Screws

Large Diameter Concrete Screws

Concrete Screws
SKU: LDT-3816

Tapcon 3/8" x 1-3/4" LDT Large Diameter Concrete Screw - Hex Head - Zinc | Qty. 50

$58.61
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Diameters:

3/8" 1/2" 5/8" 3/4"

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: 3/8"
Length: 1-3/4"
Fixture Hole Size: 3/8"
Drill Bit Size: 5/16"
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: 50
Description

3/8" x 1-3/4" LDT Tapcon Screw, Zinc, Pkg 50

The 3/8 inch x 1-3/4 inch LDT Tapcon Zinc Concrete Screw Anchor is built for secure fastening into concrete, block, and brick. Designed for heavy-duty performance, it threads directly into pre-drilled holes without the need for expansion anchors or sleeves. Each 50-pack is ideal for structural and mechanical installations requiring dependable holding strength.

3/8" x 1-3/4" Zinc-Plated Large Diameter Concrete Screw Anchor

Manufactured with a zinc-plated finish, this large diameter Tapcon anchor provides corrosion resistance for interior and dry applications. The hex washer head ensures strong torque control and consistent clamping force during installation.

Key Features

  • Zinc-Plated Finish: Adds corrosion resistance for interior use.
  • Large Diameter Design: Supports demanding load requirements.
  • Hex Washer Head: Delivers reliable torque and secure seating.
  • Direct Thread Engagement: No expansion sleeves or inserts required.

Common Applications

  • Structural Brackets: Secure steel components to concrete.
  • Equipment Mounting: Anchor light machinery to floors.
  • Ledger Board Attachment: Fasten wood framing to masonry.
  • Railing Systems: Install handrails to concrete surfaces.
  • Commercial Installations: Reinforce wall-mounted hardware.

Installation Tips

  • Pre-Drill to Specification: Use the recommended masonry bit size.
  • Clean Out Dust: Remove debris for optimal thread grip.
  • Drive with Proper Socket: Apply steady torque until firmly seated.
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Zinc Large Diameter Concrete Screws

Large Diameter Concrete Screws

Concrete Screws

× 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

Based on 1 review
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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.

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