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  • Bulk Rack
    • Cantilever Rack
      • Cantilever Accessories
      • Cantilever Arms
      • Cross Bracing
      • Double Sided Cantilever Tower
      • Horizontal Bracing
      • Single Sided Cantilever Tower
    • Record Storage
      • Add On Unit
      • Starter Unit
  • Material Handling
    • Container Tilters
      • 45 Degree Tilters
      • Floor Level Container Tilter
      • Portable Container Tilters
      • Stationary Container Tilters
    • Lift & Tilt Tables
      • Fixed Height Platform Tilters
      • Floor Level Lift & Tilt Table
      • Hydraulic Scissor Lift & Tilt Table
      • Pneumatic Lift & Tilt Tables
    • Liftstick Lifter Transporters
      • LiftStick
      • LiftStick Compact
    • Pallet Positioners
      • Accuload Positioner
      • All-Around Airbag Automatic Load Leveler
      • All-Around Spring Load Leveler
      • Floor Height Load Leveler
      • U-Lift Roll-In Leveler
    • Pallet Trucks
      • Electric Pallet Trucks
      • Manual Pallet Trucks
      • Powered Pallet Trucks
      • Specialty Pallet Trucks
    • Post Lift Tables
      • Electric Post Lift Table
      • Hydraulic Cantilever Tables
      • Manual Post Lift Table
      • Mechanical Hand Crank Post Lift Table
    • Scissor Lifts
      • Hydraulic Lift Tables
      • Light-Duty Lifts
      • Pneumatic Lifts
      • Portable Lifts
    • Self Dumping Hoppers
    • Stackers
      • Manual Stackers
      • Powered Lift
      • Powered Stackers
    • Stretch Wrap Machines
    • Turntables
      • Low Profile / Roll-On Turntable
      • Ring Floor-Mount Turntable
      • Standard Turntables
    • Warehouse Rolling Ladders
  • Pallet Rack
    • Industrial Racking
    • Pallet Rack Uprights
    • Pallet Rack Beams
    • Husky Rack & Wire
      • Invincible Rack Beams
      • Invincible Rack Uprights
    • TP Rack
      • Pre Configured Teardrop Racking Systems
      • Universal Teardrop Uprights & Beams
    • Unarco Rack
      • Interchangeable Beams
      • Interchangeable Uprights
    • Double-Slotted Pallet Racks
    • Used Pallet Racks
    • Pallet Rack Installation
    • Wire Mesh Decking
    • Rack Accessories
      • Column Protector
      • Crossbar
      • Double Flanged Pallet Support
      • Hat Style Pallet Support
      • Row Spacer
      • Structural Pallet Support
      • Wall Spacer
      • Arm Divider / Tool Hanger
    • Rack Identification Guide
  • Safety & Security
    • Aisle Protection
      • Accessories
      • Aisle Shield
      • Rack Guard
      • Rack Guard Brackets
      • Rack Pal
    • Bollards
    • Guard Rail
      • Barrier Rail
      • Barrier Rail Post
      • Double Rail Column Post
      • Lift Out Bracket
      • Single Rail Column Post
    • Machine Guarding
      • Machine Guarding Panels
      • Machine Guarding Post
      • Single Hinge Door
    • Wire Partitions
      • Adjustable Panel
      • Bi-Parting Hinge Gate
      • Corner Post
      • Dutch Gate
      • Gate Locks
      • Line Post
      • Single Hinge Gate
      • Single Slide Gate
      • Standard Panels
    • Warehouse Lighting
      • Omni-Cob Bulb
      • Arc-Cob Bulb
      • Lotus Lamp
      • Tube Light
  • Storage & Shelving
    • Bins Totes & Baskets
      • Wire Basket
    • Clipper Shelving
      • Closed Clipper Basic Units
      • Closed Clipper End Kits
      • Open Clipper Basic Units
      • Open Clipper End Kits
    • Lockers
      • 1 Tier
      • 2 Tier
      • 3 Tier
      • 5 Tier
      • 6 Tier
      • Accessories
      • Wire Mesh Lockers
    • Modular Inplant Offices
    • RivetRite Shelving
      • Double Rivet
      • Single Rivet
  • Clearance
    • Pallet Rack
    • Cantilever Rack
    • Shelving
    • Guard Rail
    • Flow Rack
    • Wire Decking
    • Stack Racks
    • Rack Accessories
  • About Us
    • Testimonials
    • Warehouse Design Process
    • Frequently Asked Questions
    • Shipping Policy

Commercial Pallet Racks/Unarco Pallet Racking Systems for Sale/Unarco Interchangeable Uprights

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  • In Stock

    48″ D x 192″ H Interchangeable Upright – 3″ x 3″ Column

    $263.48
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  • In Stock

    42″ D x 240″ H Interchangeable Upright – 3″ x 3″ Column

    $300.18
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  • In Stock

    42″ D x 120″ H Interchangeable Upright – 3″ x 3″ Column

    $250.26
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  • In Stock

    42″ D x 144″ H Interchangeable Upright – 3″ x 3″ Column

    $181.04
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  • In Stock

    48″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $162.16
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  • In Stock

    48″ D x 96″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $118.83
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  • In Stock

    42″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $152.41
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  • In Stock

    42″ D x 120″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $134.92
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  • In Stock

    42″ D x 96″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $115.35
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  • In Stock

    36″ D x 144″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $147.54
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  • In Stock

    36″ D x 96″ H Interchangeable Upright – 3″ x 1 5/8″ Column

    $111.78
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Very responsive and helpful!

“Very responsive and helpful. From Greensboro, and went to this Mt Airy company because price and service superior to others close by. Needed pallet racking and pallet rack accessories for setting up an equipment rental location.”

William Duke
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Unarco Interchangeable Uprights

When installing a pallet racking system in your warehouse, it’s important to choose one that you will be able to use for many years. Unfortunately, it’s not always possible to predict what your warehouse storage needs will be five or 10 years from now. With Unarco interchangeable uprights, you can adapt your racking system as your business evolves.

Sturdy, Versatile Racking Systems

Unarco uprights are durable enough to withstand forklift abuse without danger. Each Unarco interchangeable rack structure consists of a stable, rigid system with C-channels that lock automatically for ease of installation and beam relocation. Unlike traditional pallet racking systems, Unarco interchangeable uprights are more adjustable than their bolted counterparts. However, Unarco racks can also be outfitted with bolted connections that increase their load capacity if desired. 

Unarco upright columns are versatile enough to work with structural beams and roll-formed beams. These beams are composed of high-strength structural steel that can handle the most demanding high-volume loads. Unarco's computerized mills ensure the steel adheres to tight tolerances for precise installation. The columns' heavy-duty frames help to reduce the risk of damage due to forklift impact, while their industry-standard teardrop punching and optional side holes make them incredibly versatile. These side holes can be outfitted with row space installations, bolting beams or accessories. 

Interchangeable structural racking is designed for use in drive-through pallet racking systems, as it's durable enough to withstand strong impact. Double Column uprights and Front Straddle Protectors can also be added to offer protection against accidental forklift collision. For ultimate protection, Unarco offers patented Wood-Filled Columns that limit column damage by absorbing impact. This durability and resilience make interchangeable structural racking a cost-effective investment that outlasts the competition and serves as the perfect solution for any warehouse. 

Unarco Interchangeable Uprights From T.P. Supply Co

Unarco is a premier provider of structural and roll-formed pallet racking storage systems for warehouses, retail stores and distribution centers. Every single Unarco pallet rack upright is manufactured in strict compliance with all RMI standards and made from highly durable, multifunctional materials. Unarco is known for creating some of the safest pieces of equipment in the industry, and their interchangeable uprights are renowned for their high impact resistance. 

The Unarco interchangeable uprights offered by T.P. Supply Co, Inc., range from 96 to 240 inches tall and 36 to 48 inches deep. The interchangeable uprights fit racks from all major rack manufacturers using the teardrop-style pallet rack, which is the industry standard. Each Unarco interchangeable upright from T.P. Supply Co is available new and comes with a one-year limited factory warranty. At T.P. Supply Co, we sell the following Unarco interchangeable uprights for pallet racking:

  • 48" D x 192" H Interchangeable Upright - 3" x 3" Column
  • 42" D x 420" H Interchangeable Upright - 3" x 3" Column
  • 42" D x 120" H Interchangeable Upright - 3" x 3" Column
  • 42" D x 144" H Interchangeable Upright - 3" x 3" Column
  • 48" D x 144" H Interchangeable Upright - 3" x 1 5/8" Column
  • 48" D x 96" H Interchangeable Upright - 3" x 1 5/8" Column
  • 42" D x 144" H Interchangeable Upright - 3" x 1 5/8" Column
  • 42" D x 120" H Interchangeable Upright - 3" x 1 5/8" Column
  • 42" D x 96" H Interchangeable Upright - 3" x 1 5/8" Column
  • 36" D x 144" H Interchangeable Upright - 3" x 1 5/8" Column
  • 36" D x 96" H Interchangeable Upright - 3" x 1 5/8" Column

Buy Interchangeable Uprights From T.P. Supply Co

T.P. Supply Company, Inc. has been distributing pallet rack supplies and material handling equipment since 1979 and has been growing steadily ever since. We offer an extensive selection comprising hundreds of products for sale. If you’re facing budget constraints, never fear. At T.P. Supply Co, Inc., we offer new, used and reconditioned pallet racking systems to fit any budget. We also offer bulk order pricing. You can use our online shipping calculator when you check out to make sure you’re getting the best deal for you.

At T.P. Supply Co, Inc., we set ourselves apart with unparalleled product quality and service that speaks for itself, with 90% of our customers coming back after an order. We may not be the biggest in the industry, but we strive to be the best. To learn more about the uprights that we can offer you, check out the Unarco interchangeable uprights below. Please call us toll-free at (877) 302-2337 or send us a message by filling out our contact form to learn more about our services and personal assistance. 

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T.P. Supply Co, Inc

483 Belvue Dr., Mt Airy, NC 27030

(877) 302-2337
(336) 789-2337

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T.P. Products

  • Bulk Rack
    • Cantilever Rack
      • Cantilever Accessories
        • Removable Arm Stopper
      • Cantilever Arms
      • Cross Bracing
      • Double Sided Cantilever Tower
      • Horizontal Bracing
      • Single Sided Cantilever Tower
    • Record Storage
      • Add On Unit
      • Starter Unit
  • Material Handling
    • Container Tilters
      • 45 Degree Tilters
      • Floor Level Container Tilter
      • Portable Container Tilters
      • Stationary Container Tilters
    • Lift & Tilt Tables
      • Fixed Height Platform Tilters
        • Pneumatic Tilt Table
        • Standard Tilt Tables
        • Wide Base Tilt Table
      • Floor Level Lift & Tilt Table
      • Hydraulic Scissor Lift & Tilt Table
      • Pneumatic Lift & Tilt Tables
    • Liftstick Lifter Transporters
      • LiftStick
      • LiftStick Compact
    • Pallet Positioners
      • Accuload Positioner
      • All-Around Airbag Automatic Load Leveler
      • All-Around Spring Load Leveler
      • Floor Height Load Leveler
      • U-Lift Roll-In Leveler
    • Pallet Trucks
      • Electric Pallet Trucks
      • Manual Pallet Trucks
      • Powered Pallet Trucks
      • Specialty Pallet Trucks
    • Post Lift Tables
      • Electric Post Lift Table
      • Hydraulic Cantilever Tables
      • Manual Post Lift Table
      • Mechanical Hand Crank Post Lift Table
    • Scissor Lifts
      • Hydraulic Lift Tables
        • Double Scissor Lift
        • Dual Scissor Lifts
        • Low Profile Floor Height Lift
        • Standard-Duty Scissor Lifts
        • Tandem Scissor Lift
        • Wide Base Lift Tables
      • Light-Duty Lifts
        • Light Duty Electric Scissor Lift Table
        • Light Duty Manual Foot Pump Scissor Lift
      • Pneumatic Lifts
        • Heavy Duty Pneumatic Scissor Lift
        • Heavy-Duty Turntable Lift
        • Pneumatic Turntable Lift
        • Standard-Duty Pneumatic Scissor Lifts
      • Portable Lifts
        • DC Electric Lifts
        • Double Scissor High Lift
        • Manual Foot Pump
    • Self Dumping Hoppers
    • Stackers
      • Manual Stackers
        • Adjustable Forks
        • Hand Crank Stackers
          • Adjustable Forks
          • Platform
        • Platform
      • Powered Lift
        • AC Electric Portable Stackers
        • AC Electric Stationary Stackers
      • Powered Stackers
        • Adjustable Base
        • Battery Stackers
        • Counterweight Stackers
        • Fork Over
        • Straddle Stackers
          • Adjustable Base
          • Telescoping Mast
        • Work Positioners
          • Non-Straddle
          • Straddle
    • Stretch Wrap Machines
    • Turntables
      • Low Profile / Roll-On Turntable
      • Ring Floor-Mount Turntable
      • Standard Turntables
    • Warehouse Rolling Ladders
  • Pallet Rack
    • Industrial Racking
    • Pallet Rack Uprights
    • Pallet Rack Beams
    • Husky Rack & Wire
      • Invincible Rack Beams
      • Invincible Rack Uprights
    • TP Rack
      • Pre Configured Teardrop Racking Systems
        • Universal Teardrop Add On Racking Systems
        • Universal Teardrop Starter Racking Systems
      • Universal Teardrop Uprights & Beams
        • Universal Teardrop Beams
        • Universal Teardrop Uprights
    • Unarco Rack
      • Interchangeable Beams
      • Interchangeable Uprights
    • Double-Slotted Pallet Racks
    • Used Pallet Racks
    • Pallet Rack Installation
    • Wire Mesh Decking
    • Rack Accessories
      • Column Protector
      • Crossbar
      • Double Flanged Pallet Support
      • Hat Style Pallet Support
      • Row Spacer
      • Structural Pallet Support
      • Wall Spacer
      • Arm Divider / Tool Hanger
    • Rack Identification Guide
  • Safety & Security
    • Aisle Protection
      • Accessories
        • Aisle Sheild Extension Bars
        • Eye Bolts
        • Rack Guard Spacer Clips
      • Aisle Shield
      • Rack Guard
      • Rack Guard Brackets
      • Rack Pal
    • Bollards
    • Guard Rail
      • Barrier Rail
      • Barrier Rail Post
      • Double Rail Column Post
      • Lift Out Bracket
      • Single Rail Column Post
    • Machine Guarding
      • Machine Guarding Panels
      • Machine Guarding Post
      • Single Hinge Door
    • Wire Partitions
      • Adjustable Panel
      • Bi-Parting Hinge Gate
      • Corner Post
      • Dutch Gate
      • Gate Locks
      • Line Post
      • Single Hinge Gate
      • Single Slide Gate
      • Standard Panels
    • Warehouse Lighting
      • Omni-Cob Bulb
      • Arc-Cob Bulb
      • Lotus Lamp
      • Tube Light
  • Storage & Shelving
    • Bins Totes & Baskets
      • Wire Basket
    • Clipper Shelving
      • Closed Clipper Basic Units
      • Closed Clipper End Kits
      • Open Clipper Basic Units
      • Open Clipper End Kits
    • Lockers
      • 1 Tier
      • 2 Tier
      • 3 Tier
      • 5 Tier
      • 6 Tier
      • Accessories
        • 16 Person Locker
        • Wall Mount Locker
      • Wire Mesh Lockers
        • Add On Unit – 1 Tier
        • Add On Unit – 2 Tier
        • Starter Unit – 1 Tier
        • Starter Unit – 2 Tier
    • Modular Inplant Offices
    • RivetRite Shelving
      • Double Rivet
        • Add On Unit
        • Starter Unit
      • Single Rivet
        • Add On Unit
        • Starter Unit
  • Clearance
    • Pallet Rack
    • Cantilever Rack
    • Shelving
    • Guard Rail
    • Flow Rack
    • Wire Decking
    • Stack Racks
    • Rack Accessories
  • About Us
    • Testimonials
    • Warehouse Design Process
    • Frequently Asked Questions
    • Shipping Policy
  • Contact Us
  • My Account
  • Order Status
  • Employment Application
  • Blog
Copyright 2025 © T.P. Supply Company, Inc. - All rights reserved.
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  • Bulk Rack
    • Cantilever Rack
      • Cantilever Accessories
        • Removable Arm Stopper
      • Cantilever Arms
      • Cross Bracing
      • Double Sided Cantilever Tower
      • Horizontal Bracing
      • Single Sided Cantilever Tower
    • Record Storage
      • Add On Unit
      • Starter Unit
  • Material Handling
    • Container Tilters
      • 45 Degree Tilters
      • Floor Level Container Tilter
      • Portable Container Tilters
      • Stationary Container Tilters
    • Lift & Tilt Tables
      • Fixed Height Platform Tilters
        • Pneumatic Tilt Table
        • Standard Tilt Tables
        • Wide Base Tilt Table
      • Floor Level Lift & Tilt Table
      • Hydraulic Scissor Lift & Tilt Table
      • Pneumatic Lift & Tilt Tables
    • Liftstick Lifter Transporters
      • LiftStick
      • LiftStick Compact
    • Pallet Positioners
      • Accuload Positioner
      • All-Around Airbag Automatic Load Leveler
      • All-Around Spring Load Leveler
      • Floor Height Load Leveler
      • U-Lift Roll-In Leveler
    • Pallet Trucks
      • Electric Pallet Trucks
      • Manual Pallet Trucks
      • Powered Pallet Trucks
      • Specialty Pallet Trucks
    • Post Lift Tables
      • Electric Post Lift Table
      • Hydraulic Cantilever Tables
      • Manual Post Lift Table
      • Mechanical Hand Crank Post Lift Table
    • Scissor Lifts
      • Hydraulic Lift Tables
        • Double Scissor Lift
        • Dual Scissor Lifts
        • Low Profile Floor Height Lift
        • Standard-Duty Scissor Lifts
        • Tandem Scissor Lift
        • Wide Base Lift Tables
      • Light-Duty Lifts
        • Light Duty Electric Scissor Lift Table
        • Light Duty Manual Foot Pump Scissor Lift
      • Pneumatic Lifts
        • Heavy Duty Pneumatic Scissor Lift
        • Heavy-Duty Turntable Lift
        • Pneumatic Turntable Lift
        • Standard-Duty Pneumatic Scissor Lifts
      • Portable Lifts
        • DC Electric Lifts
        • Double Scissor High Lift
        • Manual Foot Pump
    • Self Dumping Hoppers
    • Stackers
      • Manual Stackers
        • Adjustable Forks
        • Hand Crank Stackers
          • Adjustable Forks
          • Platform
        • Platform
      • Powered Lift
        • AC Electric Portable Stackers
        • AC Electric Stationary Stackers
      • Powered Stackers
        • Adjustable Base
        • Battery Stackers
        • Counterweight Stackers
        • Fork Over
        • Straddle Stackers
          • Adjustable Base
          • Telescoping Mast
        • Work Positioners
          • Non-Straddle
          • Straddle
    • Stretch Wrap Machines
    • Turntables
      • Low Profile / Roll-On Turntable
      • Ring Floor-Mount Turntable
      • Standard Turntables
    • Warehouse Rolling Ladders
  • Pallet Rack
    • Industrial Racking
    • Pallet Rack Uprights
    • Pallet Rack Beams
    • Husky Rack & Wire
      • Invincible Rack Beams
      • Invincible Rack Uprights
    • TP Rack
      • Pre Configured Teardrop Racking Systems
        • Universal Teardrop Add On Racking Systems
        • Universal Teardrop Starter Racking Systems
      • Universal Teardrop Uprights & Beams
        • Universal Teardrop Beams
        • Universal Teardrop Uprights
    • Unarco Rack
      • Interchangeable Beams
      • Interchangeable Uprights
    • Double-Slotted Pallet Racks
    • Used Pallet Racks
    • Pallet Rack Installation
    • Wire Mesh Decking
    • Rack Accessories
      • Column Protector
      • Crossbar
      • Double Flanged Pallet Support
      • Hat Style Pallet Support
      • Row Spacer
      • Structural Pallet Support
      • Wall Spacer
      • Arm Divider / Tool Hanger
    • Rack Identification Guide
  • Safety & Security
    • Aisle Protection
      • Accessories
        • Aisle Sheild Extension Bars
        • Eye Bolts
        • Rack Guard Spacer Clips
      • Aisle Shield
      • Rack Guard
      • Rack Guard Brackets
      • Rack Pal
    • Bollards
    • Guard Rail
      • Barrier Rail
      • Barrier Rail Post
      • Double Rail Column Post
      • Lift Out Bracket
      • Single Rail Column Post
    • Machine Guarding
      • Machine Guarding Panels
      • Machine Guarding Post
      • Single Hinge Door
    • Wire Partitions
      • Adjustable Panel
      • Bi-Parting Hinge Gate
      • Corner Post
      • Dutch Gate
      • Gate Locks
      • Line Post
      • Single Hinge Gate
      • Single Slide Gate
      • Standard Panels
    • Warehouse Lighting
      • Omni-Cob Bulb
      • Arc-Cob Bulb
      • Lotus Lamp
      • Tube Light
  • Storage & Shelving
    • Bins Totes & Baskets
      • Wire Basket
    • Clipper Shelving
      • Closed Clipper Basic Units
      • Closed Clipper End Kits
      • Open Clipper Basic Units
      • Open Clipper End Kits
    • Lockers
      • 1 Tier
      • 2 Tier
      • 3 Tier
      • 5 Tier
      • 6 Tier
      • Accessories
        • 16 Person Locker
        • Wall Mount Locker
      • Wire Mesh Lockers
        • Add On Unit – 1 Tier
        • Add On Unit – 2 Tier
        • Starter Unit – 1 Tier
        • Starter Unit – 2 Tier
    • Modular Inplant Offices
    • RivetRite Shelving
      • Double Rivet
        • Add On Unit
        • Starter Unit
      • Single Rivet
        • Add On Unit
        • Starter Unit
  • Clearance
    • Pallet Rack
    • Cantilever Rack
    • Shelving
    • Guard Rail
    • Flow Rack
    • Wire Decking
    • Stack Racks
    • Rack Accessories
  • About Us
    • Testimonials
    • Warehouse Design Process
    • Frequently Asked Questions
    • Shipping Policy
  • Contact Us
  • My Account
  • Order Status
  • Employment Application
  • Blog
  • Customized Quote Tool (877) 302-2337