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EB-TY® Premium Hidden Deck-Fastening System™ 

EB-TY® Premium Hidden Deck-Fastening System™

The new EB-TY Premium Hidden Deck-Fastening System is the ideal solution that blends strength with ease of installation in a fastener that won't detract from the deck's finished appearance. Simpson Strong-Tie has redesigned the award-winning EB-TY Hidden Deck-Fastening System by integrating 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. Combine this innovative new design with our EB-GUIDE predrilling tool, and you have a system that not only provides hidden strength, but is also easy to install.

Key Features

Versatile

  • Easy to install for professional builders and DIYers
  • Ideal for premium hardwoods
  • For residential and commercial applications

Metal Reinforced

  • Provides greater holding power and increased pullover resistance
  • Type 300 series stainless-steel plate ensures lasting durability in demanding environments
  • Prevents over-driving of the screw, helping to ensure consistent, quality installations

Angled Screw Attachment

  • Ensures direct attachment of the board to the joist
  • Keeps the board from “walking” or sliding
  • Allows tighter spacing

Radius Sides for Easier Alignment

  • The patented arc shape of the EB-TY also helps ease insertion — works with pregrooved and biscuit-cut slots
  • Chamfered edges for easier board alignment and installation of successive boards
  • 3/16" and 1/4" spacings offer expansion compensation

Covers the Joist

  • Protection from direct exposure to sun and rain
  • Visually more appealing after installation

Product Includes

  • EB-TY Premium biscuits
  • Type 305 or Type 316 stainless-steel trim-head, 6-lobe screws with black-painted heads provide a concealed finish and blend in with EB-TY biscuit
  • Ipê plugs for first and last board installations
  • EB-GUIDE predrilling tool for more precise fastener angle alignment
  • 1/8" quick-release impact-ready drill bit
  • T-15 6-lobe driver bit for reduced cam outs

Related Literature

Product Information Table

EB-TY Premium
Screw Size Screw Material EB-TY Premium Qty. Screw Qty. Ipê Plug Qty. Model No.
For 3/32" Board Spacing – Use for 3/4" or greater wood with moisture content greater than air dry (approx. 19%)
#7 x 2 1/4" Type 305 Stainless Steel 100 115 6 EB332WDR100
#7 x 2 1/4" Type 305 Stainless Steel 175 190 12 EB332WDR175
#7 x 2 1/4" Type 305 Stainless Steel 275 300 20 EB332WDR275
#7 x 2 1/4" Type 316 Stainless Steel 175 190 12 EB332WD316R175
#7 x 1 5/8" Type 316 Stainless Steel 175 190 12 EB332WP316R1751
For 3/16" Board Spacing – Use for 3/4" or greater kiln-dried decking with moisture content less than air dry (approx. 19%)
#7 x 2 1/4" Type 305 Stainless Steel 100 115 6 EB316WDR100
#7 x 2 1/4" Type 305 Stainless Steel 175 190 12 EB316WDR175
#7 x 2 1/4" Type 305 Stainless Steel 275 300 20 EB316WDR275
#7 x 2 1/4" Type 316 Stainless Steel 175 190 12 EB316WD316R175
#7 x 1 5/8" Type 316 Stainless Steel 175 190 12 EB316WP316R1751
For 1/4" Board Spacing – Use for 3/4" or greater kiln-dried decking with moisture content less than air dry (approx. 19%)
#7 x 2 1/4" Type 305 Stainless Steel 100 115 6 EB14WDR100
#7 x 2 1/4" Type 305 Stainless Steel 175 190 12 EB14WDR175
#7 x 2 1/4" Type 305 Stainless Steel 275 300 20 EB14WDR275
#7 x 2 1/4" Type 316 Stainless Steel 175 190 12 EB14WD316R175
#7 x 1 5/8" Type 316 Stainless Steel 175 190 12 EB14WP316R1751
  1. EB332WP, EB14WP, EB316WP series with 1 5/8" screws are designed for roof decks installed on 1" sleepers.
  2. Model No. corresponding to kits with 100 and 175 count EB-TY Premium include 1 drill bit, T-15 driver bit and EB-GUIDE tool. Quantities of 275 count come with 2 drill bits, driver bits and EB-GUIDE tools.
Replacement Parts
Part Number Description Quantity
T07225FT20BK #7 x 2 1/4" Trim-Head Screw, Type 316 20
T07162FT20BK #7 x 1 5/8" Trim-Head Screw, Type 316 20
BIT15T-2-RC3 Replacement T-15 6-Lobe Driver Bit 3
WDB18QR3-R3 1/8" Quick Release Wood Drill Bit 3
WDPLUG-100 Ipê Wood Plug 3/8" 100
EB-GUIDE EB-GUIDE Predrill Tool 1