Name: Square Bar Shaft Helical Screw for Mailbox Supporting Foundation
Uploaded: 2026-08-25T14:00:47+08:00
Description: Watch the Square Bar Shaft Helical Screw for Mailbox Supporting Foundation video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

Square Bar Shaft Helical Screw for Mailbox Supporting Foundation Video,Demo, How It Works & Features 2026-05-12 3470
Send Inquiry	Supply Customized Roadway Safety Metal Traffic Parking Safety Bollard 516 views OEM Galvanized Steel Square Sign Post 290 views Square Bar Shaft Helical Screw for Mailbox Supporting Foundation 347 views Ground Helical Screw Pile Anchor for Foundation Systems 365 views Galvanized Screw Piles for Foundation Repair 407 views

Product Specifications

Model NO.:

square

After-sales Service:

Customized

Warranty:

More Than 5 Years

Name:

Square Bar Shaft Helical Screw for Mailbox Support

Plate Material:

ASTM A36 Hot Rolled Plate

Shaft Material:

40cr(ASTM A5140) or 45#(ASTM 1045) Steel

Corrosion Protection:

ASTM A153 Hot Dipped Zinc Coating

Helical Lead Length:

3FT/5FT/7FT/10FT or Customized

Extension Length:

3FT/5FT/7FT/10FT

Helix Thickness:

3/8'' and 1/2'' or Customized

Helix Size:

8/10/12/14 Inch or Customized

Advantage:

High Quality, Easy Install, Rustproof Surface Trea

Usage:

Building Foundation

Trademark:

Transport Package:

Container

Specification:

Customized

Origin:

China

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Square Bar Shaft Helical Screw for Mailbox Supporting Foundation Video,Demo, How It Works & Features

Product Specifications