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Drift Headed Rail (DHR97) and Drift Clips (DRC)

ClarkDietrich · Drift Connections

Drift Headed Rail (DHR97) and Drift Clips (DRC)

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The system utilizes a C-Shaped Drift Headed Rail and distinctively designed Drift Rail Clips that rotate into position for easy installation.

The system utilizes a C-Shaped Drift Headed Rail and distinctively designed Drift Rail Clips that rotate into position for easy installation. The Drift Headed Rail is a C-Shaped Drift Rail with nelson studs welded at 8" o.c. for a cast-in-place applications. For mechanically fastened applications refer to the DR-97 Drift Rail. The Drift Rail Clips use Proprietary Deflection Screws for attachment to the wall studs and allows for 3" vertical deflection (1-1/2" up and down) and is also designed with 1/8" holes to rigidly attach wall studs. ClarkDietrich deflection clips include our proprietary deflection screws that has been specifically designed to provide friction-free deflection. These fasteners eliminate drag, binding or resistance that can often occur with common fasteners.

Deflection ConnectionsDrift ConnectionsRigid Connections
Coating
G90 (Z275) hot-dipped galvanized coating
Material
Structural Grade 50 Type H (ST50H), 50ksi
Nelson Stud Spacing
8"
Nelson Stud Dimensions
3/8" Dia. x 3" length with 3/4" head diameter
Rail Length
12'

Description, photography, tables and documents as published by ClarkDietrich. Their product page ↗

Product Data & Ordering Information

7 codes. Every figure is ClarkDietrich's published data.
Product codeGaugeMilsPackagingAssembly StandoffSlots per ClipHoles per ClipSubmittal
DHR-971297individually
DRC3-68146825 clips / 55 deflection screws per box4.5"24PDF ↗
DRC6-68146825 clips / 80 deflection screws per box7"48PDF ↗
DRC8-68146825 clips / 80 deflection screws per box8.5"48PDF ↗
DRC3-97129725 clips / 55 deflection screws per box4.5"24PDF ↗
DRC6-97129725 clips / 80 deflection screws per box7"48PDF ↗
DRC8-97129725 clips / 80 deflection screws per box8.5"48PDF ↗

Codes are what ClarkDietrich publishes as available, not a promise of local stock — tell the desk the connection you have and we'll confirm what's on a shelf. A code with no sheet of its own can be generated from ClarkDietrich SubmittalPro ↗.

Installation

Installation:Design load capacities for cast-in-place installations are tabulated in the product Design Guide and include:With the Drift Headed Rail embedded in the concrete structure, the Drift Clips can be positioned as required:The framing stud web must contact the flat face of the long leg of the Drift Clip.Note that one of the four slots in the channel portion of the Drift Clip is longer than the others.Tilt the Drift Clip and position it so that the longer slot initially engages one leg of the Drift Rail.Rotate the Drift Clip to the vertical position, engaging all four slots with the Drift Rail legs.Connection between the Drift Clip and Framing Studs:For bypass connections, Proprietary Deflection Screws are placed through each slotted hole of the long leg, of the Drift Clip to the web of the stud.The required number and location of the slotted holes used to secure the stud is determined by the required design load capacity.For rigid connections, self-drilling screws are placed through the pilot holes around the perimeter of the long leg of the Drift Clip to the web of the stud. To restrict clip lateral movement (Drift) along the Drift Rail, install one of two types of stops:Drift Locking Angle (DRLA) is an L-shaped clipThe long leg is inserted into the channel of the Drift Rail Clip, − The short leg is secured to the flange of the Drift Rail with a #10 self-drilling screwDrift Locking Clip (DRLC) is a C-shaped clipThe DRLC sits within the channel of the Drift Clip, and straddles the flanges of the Drift Rail.The two outside legs of the DRLC are secured to each flange of the Drift Rail with a #10 self-drilling screw.

Documents

Served straight from ClarkDietrich so you always get the current revision. Each code's own submittal sheet is on its row in the table above.

CAD Details

4 details for this connection, each published as a PDF to read and a DWG and DXF to draw with.

  • CD Stud Connection Bypass Drift%20Headed%20Rail%2BClip DRC3PDFDWGDXF
  • CD Stud Connection Bypass Drift%20Headed%20Rail%2BClip DRC6PDFDWGDXF
  • CD Stud Connection Bypass Drift%20Headed%20Rail%2BClip DRC8PDFDWGDXF
  • Drift%20Rail%20Clip%20-%20ChartPDFDWGDXF

Ask About This Product

Answered from ClarkDietrich's own documents — the 3 sheets listed above — with the source and page behind every line.

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