# Simpson Strong-Tie 1/4 in. x 3-1/2 in. Type 316 Strong-Drive SDS Heavy-Duty Connector Screw (25-Pack)

**Brand:** [Simpson Strong-Tie](https://shop.coreranger.com/brands/Simpson%20Strong-Tie)
**SKU:** SDS25312SS-R25
**Price:** $70.38 · in stock
**URL:** https://shop.coreranger.com/product/simpson-strong-tie-1-4-in-x-3-1-2-in-type-316-strong-drive-sds-heavy-duty-connector-screw-25-pack-322352705

## Specifications

| Spec | Value |
|---|---|
| Size | 1/4 in |
| Model # | SDS25312SS-R25 |
| Features | ACQ Rated |
| Head Style | Hex Head |
| Internet # | 322352705 |
| Returnable | 90-Day |
| Drive Style | Hex |
| Store SKU # | 1014775496 |
| Screw Length | 3-1/2 in |
| Thread Style | Serrated Thread |
| Fastener Type | Wood Screw |
| Fastener Color | Silver |
| Fastener Plating | Uncoated |
| Package Quantity | 25 |
| Fastener Material | Stainless Steel |
| Interior/Exterior | Exterior,Interior |
| Measurement System | Inches |
| Product Weight (lb.) | 1.08 lb |
| Manufacturer Warranty | Limited Warranty |

## Description

The Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Connector screw is a 1/4 in. Dia high-strength structural screw ideal for various connector installations as well as wood-to-wood and engineered wood applications. It installs with no predrilling and has been extensively tested in various applications, the SDS Strong-Drive 1/4-in. wood screw line includes stainless-steel screws in 1-1/2 in. x 3-1/2 in. L, suitable for fastening Simpson Strong-Tie stainless-steel products. Offering the same easy-driving, split-reducing installation of the standard SDS screw, these screws are made from Type 316 stainless steel, stainless-steel SDS screws are appropriate for higher-exposure environments where maximum corrosion-resistance is required.

• Corrosion-resistant type 316 stainless steel for durability
• Engineered for heavy-duty wood and connector applications
• Ideal for coastal, marine, and high-moisture environments