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Easter Special Dewalt Pfm2521350 3/8"-1/2" Multi-thread Wood-knocker Ii+ -wood Form Insert - (100/bx) - Grey Starter Kit [LSh87Nip]

$52.99 $169.99 -69%

Powers Fasteners PFM2521350 Description 3/8" - 1/2" Wood-Knocker® II+ Cast-In-Place Concrete Inserts, Multi-Insert, Code Listed: ICC-ES ESR-3657, Gray, DEWALT PFM2521350 - 100/BX. Wood-Knocker concrete inserts are specifically designed to provide ha

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Easter Special Dewalt Pfm2521350 3/8"-1/2" Multi-thread Wood-knocker Ii+ -wood Form Insert - (100/bx) - Grey Starter Kit [LSh87Nip]

Powers Fasteners PFM2521350 Description

3/8" - 1/2" Wood-Knocker® II+ Cast-In-Place Concrete Inserts, Multi-Insert, Code Listed: ICC-ES ESR-3657, Gray, DEWALT PFM2521350 - 100/BX. Wood-Knocker concrete inserts are specifically designed to provide hangar attachments for mechanical, electrical, plumbing (MEP) and fire protection. Wood-Knocker II concrete inserts are installed onto wooden forms used to support newly poured concrete floor slabs, roof slabs or walls. 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 hex impact plate offers resistance to rotation within the concrete as a steel threaded rod or threaded bolt is being installed.

Powers Fasteners PFM2521350 Includes

  • (1) Box of 100 wood-knocker concrete inserts

Powers Fasteners PFM2521350 Features

  • Fast and simple to install, low installed cost
  • Color coded by size for simple identification
  • Wood-Knocker can be installed in wood form pours only 3.5" thick
  • Hex head does not rotate when set
  • Insert design allows for full thread engagement
  • All sizes suitable for tension and shear loading

Powers Fasteners PFM2521350 Specifications

Product Type Cast-In-Place Concrete Insert
Material Carbon Steel / Engineered Plastic
Length 2"
Size 3/8"-1/2"
Max. Load Capacity (Lb.) 4820

What Our Customers Say

January 28, 2026

Absolutely no complaints!

The performance has been flawless.

- Noah G..

January 28, 2026

Absolutely no complaints!

It’s a beautifully crafted item.

- Sofia I..

January 28, 2026

Absolutely no complaints!

I love the sleek design and how well it works.

- Brianna K..

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