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Home > Products > Backing, Blocking, and Stiffeners > KB – Wall Support Backing Kwik-Back

KB – Wall Support Backing Kwik-Back

Kwik-Back (KB) products are the most cost effective and labor saving solution for creating superior backing support for wall shelving, cabinetry, heavy wall hangings, and other equipment.

Installation is simplified by using three screws and attaching the clip to the stud flange. No predetermined stud layout is required and ledge tabs are added for easy alignment. Attach 2″ x 6″ structure grade lumber (#1 or better) as required by codes or specifications.

KB Clip

Features

  • Pre-punched guide holes
  • Folded tabs for consistent wood positioning
thumbnail of KB

KB Submittal Download

Material Composition

  • ASTM A653/A653M
  • Material thickness: 33 mil
  • Yield strength: 33 ksi
  • G60 hot-dipped galvanized coating
KB Clip

Gallery

KB Assembly
KB Assembly Detail
KB

Allowable Loads

Stud Thickness Yield
Strength
(ksi)
Allowable Loads (lbs)
Mils Gauge F1 (3) Screws F3 (3) Screws
#8 #10 #8 #10
27 22 33 177 177 363 363
30 20 33 195 228 423 453
33 20 33 216 252 492 531
43 18 33 282 327 732 789

Screw shear values are based on the SSMA Screw Table with the following notes:

  1. The allowable loads are based on the steel properties of the members being connected, per NASPEC with 2004 supplements.
  2. The nominal strength of the screw must be at least 3.75 times the allowable loads.
  3. Values include a 3.0 factor of safety.
  4. Penetration of screws through joined materials should not be less than three exposed threads. Screws should be installed and tightened in accordance with the screw manufacturer’s recommendations.
  5. Allowable loads indicated on the table(s) are for force in single direction only. If more than one force is applied to the connection, the designer shall provide the combined forces check as required by NASPEC with 2004 supplements.

Quantity / Order Information

Model No. Flange Width Qty
/Bucket
Lbs
/Bucket
KB162 1-1/4” to 1-5/8” 100 25
KB200 2″ 100 27
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