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Get Your Simpson Strong-tie Sds25312mb (1/4" X 3-1/2") Heavy-duty Connector Screw With Double-barrier Coating (125 Pack) Instant 65% Discount [7hof4Ja2]

$19.99 $63.99 -69%

Simpson SDS25312MB Description The Strong-Drive SDS Heavy-Duty Connector Screw features a double-barrier coating for enhanced corrosion resistance and a Type-17 point for easy driving without predrilling. Simpson SDS25312MB Includes (125) 1/4" x 3-1

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Get Your Simpson Strong-tie Sds25312mb (1/4" X 3-1/2") Heavy-duty Connector Screw With Double-barrier Coating (125 Pack) Instant 65% Discount [7hof4Ja2]

Simpson SDS25312MB Description

The Strong-Drive SDS Heavy-Duty Connector Screw features a double-barrier coating for enhanced corrosion resistance and a Type-17 point for easy driving without predrilling.

Simpson SDS25312MB Includes

  • (125) 1/4" x 3-1/2" Heavy-Duty Connector Screw

Simpson SDS25312MB Features

  • Double-Barrier Coating for corrosion resistance
  • Type-17 point for easy driving without predrilling
  • 3/8" hex head with integrated washer
  • Stamped head for easy identification
  • High-strength carbon steel construction

Simpson SDS25312MB Applications

  • Heavy-duty Simpson Strong-Tie connectors
  • DIY and home projects
  • Exterior wood fastening

Simpson SDS25312MB Installation Overview

  1. Use a low-speed 1/2" drill with a 3/8" hex driver for installation
  2. Ensure screws are driven perpendicular to the wood grain for optimal performance

Simpson SDS25312MB Specifications

Diameter 1/4"
Finish Double-Barrier Coating
Length 3-1/2"
Material Carbon Steel
Drive Type 3/8" Hex
Point Type Type-17
Quantity 125
Thread Length 2-1/4"

NOTE: Ensure the correct fasteners are installed in the correct position to achieve published load values

What Our Customers Say

January 16, 2026

Absolutely no complaints!

Wonderful! I am so happy.

- Allison B..

January 16, 2026

Absolutely no complaints!

So reliable and easy to use.

- Legend H..

January 16, 2026

Absolutely no complaints!

The build is exceptionally solid.

- Fatima C..

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