The Simpson EB-TY EB332W Premium Hidden Deck Fastener Kit with 2-1/4 in. Type 316 Stainless-Steel Screws (175-Pack), model EB332WD316R175 by Simpson Strong-Tie, is a complete hidden deck-fastening solution engineered to deliver exceptional holding strength while preserving a clean, hardware-free deck surface. Redesigned with an integrated Type 300 series stainless-steel reinforcing plate, this system adds stiffness to keep boards firmly in place while maintaining the flexibility needed to accommodate seasonal expansion and contraction - making it ideal for wood decking, docks, and boardwalks.

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
• Integrated Type 300 series stainless-steel reinforcing plate adds stiffness while maintaining flexibility during seasonal contraction and expansion
• Use for 3/4-in. or greater wood with moisture content greater than air dry (approx. 19%)
• Kit includes the EB-GUIDE predrilling tool, impact-ready drill bit, and driver bit for a complete out-of-the-box installation experience
• Made in the United States from polypropylene construction

Specifications

• MPN: EB332WD316R175
• 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.
• Screw Type: Type 316 stainless-steel trim-head, 6-lobe with black-painted heads
• Decking Thickness: 3/4 in.
• Board Spacing Requirement: 3/32 in.
• Quantity: 175
• Country of Origin: United States

Approved Applications

• Dock and Boardwalk

What's Included

• (175) EB-TY Premium biscuits
• (190) Type 316 stainless-steel screws
• (12) Ipê wood plugs for first and last board installations
• (1) EB-GUIDE predrilling tool
• (1) 1/8 in. quick-release impact-ready drill bit
• (1) T-15 6-lobe driver bit for reduced cam outs

Frequently Asked Questions

What type of screw is included with the EB332WD316R175 kit?

This kit includes Type 316 stainless-steel trim-head, 6-lobe screws sized #7 x 2-1/4 in. The screws feature black-painted heads that blend in with the EB-TY biscuit for a fully concealed, finished appearance. A total of 190 screws are included in this 175-biscuit kit.

What decking thickness is this hidden fastener system designed for?

The EB-TY EB332W Premium Hidden Deck Fastener is designed for use with decking that is 3/4 in. thick. It is intended for use with wood that has a moisture content greater than air dry, which is approximately 19% or more.

What board spacing does this system require?

The EB332WD316R175 system requires a board spacing of 3/32 in. The included EB-GUIDE predrilling tool helps ensure precise fastener angle alignment, and the underside keel of each biscuit provides consistent fastener positioning to maintain proper spacing throughout the installation.

Do I need to purchase any additional tools or hardware to install this system?

No additional tools or hardware are required. This kit includes everything needed for installation: (175) EB-TY Premium biscuits, (190) stainless-steel screws, (12) Ipê wood plugs for first and last board installations, the EB-GUIDE predrilling tool, a 1/8 in. quick-release impact-ready drill bit, and a T-15 6-lobe driver bit for reduced cam outs.