581100 3/8-1/2 IN. WOOD-KNOCKER II+ MULTI CAST-IN-PLACE CONCRETE INSERT ANC-Darragh

WOOD-KNOCKER II+ MULTI CAST-IN-PLACE CONCRETE INSERT ANCHOR 100 BOX (MULTIPLE OPTIONS AVAILABLE)

3/8-1/2" GRAY

Dewalt

581100

PFM2521350

1/4-3/8-1/2" AQUA

Dewalt

581102

PFM253143812

Description

Wood-Knocker II+ and Pan-Knocker II+ concrete inserts are installed onto forms used to support newly poured concrete floor slabs, roof slabs or walls. The concrete inserts are specifically designed to provide hanger attachments for mechanical, electrical, plumbing (MEP) and fire protection. When the forms are stripped, the color-coded flange is visibly embedded in the concrete surface. The inserts allow the attachment of steel threaded rod or threaded bolts in sizes ranging from 1/4" to 3/4" in diameter. The sturdy base and rib design minimizes the chance of inserts accidentally being hit out of place after attachment to the forms. The impact plate offers resistance to rotation within the concrete as a steel threaded rod or threaded bolt is being turned during installation.A push-in thread version is also available which does not require turning the threaded rod or threaded bolt during installation which can be ideal for applications such as mounting prefabricated hardware and hanger assemblies.

Key Features

  • Fast and simple to install, low installed cost
  • Sturdy base design resists inserts from being kicked over after placement
  • Color coded by size for simple identification, can be further marked by trade and/or utility
  • Inserts can be installed in form pours only 3.5" thick; low profile (LP) inserts can be installed in form pours only 2.5" thick (see installation details)
  • Suitable for seismic and wind loading (see design information)
  • Multi thread inserts allow for multiple diameters using the same part
  • All sizes of multi thread inserts have performance data for tension and shear loading
  • Push-In thread version does not require turning threaded rod elements during installation
  • Applications:
    • Hanging Pipe and Sprinkler Systems
    • HVAC Ductwork and Strut Channels
    • Suspending Trapeze and Cable Trays
    • Cast-In Pre-installed Anchoring Points
    • Distribution Systems / Utility Lines
    • Conduit and Lighting Systems
    • Cracked and Uncracked Concrete
    • Seismic Qualification (SDC A - F)
  • Approvals:
    • International Code Council, Evaluation Service (ICC-ES), ESR-3657 for concrete
    • Code compliant with the 2021 IBC/IRC, 2018 IBC/IRC, 2015 IBC/IRC, and 2012 IBC/IRC
    • Tested in accordance with ASTM E488 and ICC-ES AC446 for use in cracked and uncracked concrete and with the design provisions of ACI 318 (Strength Design method)
    • Evaluated and qualified by an accredited independent testing laboratory for recognition in cracked and uncracked concrete including seismic and wind loading
    • Underwriters Laboratories (UL Listed) - File No. EX1289 and VFXT7.EX1289, Also UL tested and recognized for use in air handling spaces (i.e. plenum rated locations) in accordance with UL 2043; as referenced by UL 203 for pipe hanger equipment
    • FM Approvals (Factory Mutual), Class Numbers 1951, 1952, 1953 for pipe hanger components ? see FM Approval Guide

Pending Reviews

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