Aluminum Posts | McMaster-Carr

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

1C999

EAR99

Threading

Fully Threaded

Threaded on Both Ends

DFARS Specialty Metals

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Bolt-Together Framing Component

Hardness

Finish

Zinc Yellow-Chromate Plated

Rail Type

Tensile Strength

20,000 psi to 49,999 psi

50,000 psi to 99,999 psi

Not Rated

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

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Slip-On Framing Component

Connector

Rail

Rail End

Through-Hole Connector

Through-Hole Rail Support

Mount Type

2,316 Products

Fastening and Joining

Standoffs

Separate, position, or connect components in assemblies

1,131 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

1 product

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

156 products

Thread Adapters

Join threads of a different type, size, and gender

699 products

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

26 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

19 products

Building and Machinery Hardware

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

28 products

Weld-Together Framing Rails

Permanently join with fittings to assemble heavy duty racks, shelving, and work tables

16 products

Slip-On Framing Rails

Insert into slip-on fittings and tighten screws to make guards, railings, and racks

15 products

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

8 products

Facility and Grounds Maintenance

Mailbox Posts

Mount mailboxes and anchor them in the ground or concrete

10 products

Chain Link Fencing

Everything you need to build or repair a chain link fence, from posts to gates

9 products

Safety Equipment

Safety Railing Connectors

Build custom safety rail structures with tees, elbows, crosses, and more

10 products

Safety Rails

Protect people on platforms, loading docks, and elevated walkways

29 products

Retractable Belt Barriers

Stretch belts between walls, racks, posts, and cones to restrict access to areas

2 products

Communication

Sign Post Bases

Mount sign posts to the ground to display signs

1 product

Sign Holders

Display signs on walls, floors, tables, and other surfaces

9 products

Material Handling

Ladder Support Posts

Extend a hand-hold from the top of ladders used for tanks and roof access

1 product

Power Transmission

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

113 products

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

18 products

Lighting

Facility Lights

Illuminate both indoor and outdoor areas with a permanent light source

2 products