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SKU: CLCS38-400G

3/8" x 4" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 50

3/8" x 4" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 50!

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SKU: CLCS38-400G

3/8" x 4" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 50

$72.00
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Specifications

Diameter: 3/8"
Length: 4"
Thread Length: 3-1/4"
Fixture Hole Size: 1/2"-9/16"
Drill Bit Size: 3/8"
Drive Type: 9/16" Hex
Head Type: Hex Head
Material: Carbon Steel
Finish: Galvanized
Manufacturer Name: Conquest Fasteners
Quantity: 50
Description

3/8" x 4" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 50

The 3/8 inch by 4 inch Conquest Large Diameter Concrete Screw is built for high-load anchoring in concrete, block, and brick. Designed with a robust thread profile and hex washer head, it delivers strong pullout resistance without the need for anchors or inserts. Each package includes 50 galvanized screws ready for demanding structural applications.

3/8 Inch Galvanized Large Diameter Concrete Screw

Ideal for structural framing and heavy-duty attachments, this large diameter screw cuts cleanly into masonry while maintaining dependable holding strength. The galvanized finish provides corrosion resistance for interior and exterior use.

Key Features

  • Galvanized Coating: Helps protect against corrosion in demanding environments.
  • Hex Washer Head: Provides strong drivability and increased bearing surface.
  • High Thread Engagement: Delivers secure fastening without anchors.
  • Large Diameter Strength: Built for structural and high-load applications.

Common Applications

  • Sill Plate Installation: Anchor framing to concrete foundations.
  • Ledger Boards: Secure structural connections to masonry.
  • Equipment Mounting: Fasten machinery to concrete pads.
  • Racking Systems: Anchor storage systems to floors.
  • Commercial Construction: Ideal for high-strength installations.

Installation Tips

  • Pre-Drill with Carbide Bit: Follow recommended bit sizing guidelines.
  • Clear Dust Thoroughly: Remove debris for maximum holding power.
  • Drive with Socket Tool: Tighten until secure without over-torquing.
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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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B
Barracuda Builders
Quick Delivery!

These large diameter concrete screws were just what we were looking for. Great pricing and quick delivery. I'll order from Fasteners Plus in the future for sure!