Latest Edition｜ Other Products ｜Adjustable Plastic Unichair

The OCM Adjustable Uni-chair is a versatile and very strong polymer composite support that uses three individual chair/Holder Assemblies to accommodate 3" to 18-1/2" heights.
Features

Base is internally threaded to accommodate a coil threaded cradle.
Polymer Composite Threaded Cradle has the exact height molded into the threaded rod to ensure the proper height is achieved.
Dual cradle head allows for 2 different heights 1/2" apart.
Tapered footprint for minimal surface contact on wood decks.
Chair can be used for many applications for rebar/mesh, post tension strand, and ledger supports in tilt walls and precast panels.
Ideal solution for sloping slabs/roofs or curved panels.
Direct replacement for Metal Screed Chair in Bridge Deck applications.
Removable Cradle can be replaced with steel Pipe Holder.

OCM Part No.
ThreadDiameter
(H) BaseHeight
(L) CradleLength
CradleOpening
Height Range
Load Test (lbs.)

Min
Max
Min Height
Max Height

PHCA3-5.5
1/2" 
2.56"
4.33"
1.19"
3"
5-3/4"
2,088
535

PHCA6-10.5
3/4"
5.17"
6"
1.26"
6"
10-1/2"
1,565
472

PHCA10-18.5
3/4"
9.17"
9"
1.26"
10"
18"
1,584
300

 
Brand:OCMSKU:PHCA3-5.5Tags:Construction SuppliesOptions:1/2" Diameter - 3" - 5-5" Adj (Box of 95), 3/4" Diameter - 6 to 10-1/2" Adj (Box of 95), 3/4" Diameter - 10" to 18" Adj. (Box of 95)