The Simpson EB-TY EB332W Premium Hidden Deck Fastener Kit with 2-1/4 in. Type 316 Stainless-Steel Screws (275-Pack) - model EB332WD316R275 by Simpson Strong-Tie - delivers a professional, concealed deck-fastening solution that blends exceptional holding strength with straightforward installation. Engineered for 3/4-in. wood deck boards with moisture content greater than air dry, this complete kit keeps fasteners completely hidden beneath the surface so the finished deck retains a clean, hardware-free appearance. A redesigned stainless-steel reinforcing plate integrated into each biscuit adds stiffness to hold boards securely in place while still accommodating natural seasonal expansion and contraction.

Key Features

• Patented EB-GUIDE predrill guide provides precise fastener angle alignment for consistent biscuit installations
• Stainless-steel reinforced biscuit provides strength and increased pullover resistance
• Underside keel provides consistent fastener positioning
• Radius sides and chamfered edges provide easier alignment and faster installation
• Type 316 stainless-steel trim-head, 6-lobe screws with black-painted heads provide a concealed finish and blend in with EB-TY biscuit
• Integrates a Type 300 series stainless-steel reinforcing plate that adds stiffness to hold boards in place securely, yet maintains flexibility when seasonal contraction and expansion occur
• Use for 3/4-in. or greater wood with moisture content greater than air dry (approx. 19%)
• Made in the United States from polypropylene construction

Specifications

• MPN: EB332WD316R275
• Biscuit Model No.: EB332W
• Brand: Simpson Strong-Tie
• Material: Polypropylene
• Installs With: Type 316 stainless-steel screw, included
• Screw Size: #7 x 2-1/4 in.
• Decking Thickness: 3/4 in.
• Board Spacing Requirement: 3/32 in.
• Quantity: 275
• Country of Origin: United States

Approved Applications

• Decks - Deck Boards Wood

What's Included

• (275) EB-TY Premium biscuits
• (300) Type 316 stainless-steel screws
• (20) Ipê wood plugs for first and last board installations
• (2) EB-GUIDE predrilling tools
• (2) 1/8 in. quick-release impact-ready drill bits
• (2) T-15 6-lobe driver bits for reduced cam outs

Frequently Asked Questions

What type of screws are included with this kit, and why does it matter?

This kit includes Type 316 stainless-steel trim-head, 6-lobe screws with black-painted heads. Type 316 stainless steel offers superior corrosion resistance, making it well suited for outdoor deck applications exposed to moisture, sun, and rain. The black-painted heads blend in with the EB-TY biscuit for a concealed, finished appearance.

What is the EB-GUIDE predrilling tool and why is it important?

The EB-GUIDE is a patented predrill guide included in this kit that provides precise fastener angle alignment for consistent biscuit installations. Using the EB-GUIDE ensures every fastener is driven at the correct angle, resulting in uniform spacing, proper board positioning, and a professional-quality finished deck.

What decking thickness and moisture content is this system designed for?

The EB-TY EB332W Premium Hidden Deck Fastener System is designed for use with 3/4-in. or greater wood decking with a moisture content greater than air dry, which is approximately 19%. A board spacing requirement of 3/32 in. should be maintained during installation to allow for seasonal movement.

How does the stainless-steel reinforcing plate improve performance?

Simpson Strong-Tie redesigned the EB-TY biscuit by integrating a Type 300 series stainless-steel reinforcing plate directly into the biscuit body. This plate adds stiffness to hold boards in place securely while still maintaining the flexibility needed to accommodate natural seasonal wood expansion and contraction, providing increased pullover resistance over the previous design.