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SKU: LDT-3840

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

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

  • 38 inch x 4 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-3840

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

$97.99
Request Bulk Pricing
Request Bulk Pricing
Ships Jun 15 when you order now

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: 4"
Fixture Hole Size: 3/8"
Drill Bit Size: 5/16"
Maximum Fixture Thickness: 2-1/2"
Drive Type: 13/16" Hex
Head Type: Hex Head
Material: Carbon Steel
Finish: Zinc
Manufacturer Name: ITW Red Head
Quantity: 50
Description

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

The 3/8 inch x 4 inch LDT Tapcon Zinc Concrete Screw Anchor delivers deeper embedment for improved holding strength in masonry. Designed for structural fastening into concrete and block, it threads directly into pre-drilled holes without additional hardware. Each 50-pack supports efficient installation across demanding jobsite conditions.

3/8" x 4" Zinc Large Diameter Masonry Anchor

Featuring a corrosion-resistant zinc finish, this anchor performs reliably in interior and dry-use environments. The hex washer head ensures consistent torque application and firm clamping force.

Key Features

  • Zinc-Plated Construction: Provides added corrosion resistance.
  • Extended Embedment: Improves load capacity in concrete.
  • Hex Washer Head: Ensures strong driving control and seating.
  • No Sleeves Required: Simplifies installation process.

Common Applications

  • Heavy Bracket Installation: Secure structural connectors.
  • Machinery Anchoring: Mount equipment to concrete pads.
  • Ledger Board Attachment: Fasten structural lumber to masonry.
  • Commercial Construction: Reinforce load-bearing hardware.
  • Warehouse Racking: Anchor shelving systems securely.

Installation Tips

  • Drill to Proper Depth: Ensure full thread engagement.
  • Clear Borehole: Remove debris before installation.
  • Apply Even Torque: Seat anchor firmly without over-tightening.
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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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