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SKU: CLCS38-400Z

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

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

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SKU: CLCS38-400Z

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

$54.99
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Ships Jul 20 when you order now

Lengths:

1-7/8" 2-3/4" 3" 1-3/4" 2-1/2" 4" 5" 6"

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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: Zinc
Manufacturer Name: Conquest Fasteners
Quantity: 50
Description

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

The 3/8 inch by 4 inch Conquest Large Diameter Concrete Screw provides extended embedment and strong pull-out resistance in concrete and masonry. Finished with a zinc coating for dry interior use, it is well suited for structural and mechanical installations. Each box contains 50 screws.

4 Inch 3/8 Inch Zinc Heavy-Duty Masonry Screw

Ideal for thicker assemblies and structural attachments, this screw features a hex-washer head that ensures solid torque transfer and consistent clamping force during installation.

Key Features

  • Extended Length: Provides deeper penetration into masonry.
  • Zinc-Coated Finish: Designed for indoor corrosion resistance.
  • Aggressive Thread Pattern: Enhances pull-out strength.
  • Hex-Washer Head: Improves drivability and stability.

Common Applications

  • Structural Framing: Anchor heavy components to concrete.
  • Bracket and Support Mounting: Secure large hardware.
  • Industrial Interiors: Fasten equipment bases indoors.
  • Racking Systems: Reinforce shelving structures.
  • Commercial Construction: Suitable for interior builds.

Installation Tips

  • Pre-Drill Accurately: Follow manufacturer guidelines.
  • Clear Debris: Keep pilot holes clean.
  • Drive with Control: Tighten evenly for secure seating.
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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

Based on 3 reviews
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(3)
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J
Jim Cummings
Satisfied!

Always satisfied!
Fast, fast service!
Easy online ordering!
Ships immediately!
Always correct!
Perfect service, everytime!

c
conway fence inc
Great buy

These are affordable and work great. Don't hesitate to buy.

D
Don Mills
Better Than Great

Could not ask for a better concrete screw for the price. they hold tight without any failures or breaks. Highly recommend.