Bases | McMaster-Carr

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System of Measurement

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Material

Acrylic/Cotton Fabric

Composite Wood Over Steel

Mount Type

Length

Height

Width

Finish

Hot-Dipped Galvanized

Color

Light Brown Woodgrain

Light Gray

Off-White

Number of Mounting Holes

Bracket Type

Rail Height

Bolt-Together Framing Component

Strut Channel Type

Strut Channel Framing Component

Thread Length

Overall Height

Shape

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Channel Height

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

T-Slotted Framing Rail Profile

Mounting Hole Diameter

Base Material

13,201 Products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

201 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

1,413 products

Slip-On Framing Rail Ends

Mount slip-on framing structures to floors, walls, and ceilings

78 products

Slip-On Framing Rail Supports

Brace long runs of slip-on framing rails, either along walls or through them

33 products

Bolt-Together Framing Feet

Stabilize bolt-together framing structures against floors, walls, and ceilings

7 products

Bolt-Together Framing Fasteners

Secure bolt-together framing rails and brackets or anchor mounting feet in concrete

1 product

Bolt-Together Framing Floor Mounts

Install bolt-together rails into the ground

2 products

Flush-Fit Framing Rail Ends

Secure flush-fit framing structures to floors, walls, and ceilings

3 products

Clamp-On Framing and Fittings

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

32 products

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

86 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

10 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

1,467 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

975 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

279 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

113 products

Positioning Arms

Mount and position tools, small electronics, and displays

27 products

Turntables

Rotate to reposition machinery and equipment

94 products

Tablet and Laptop Mounts

Snap in tablets and laptops to mount them on stands and positioning arms

3 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,449 products

Wall Bases

Protect the bottom of walls from foot traffic and impact

12 products

Brackets

Connect surfaces in an assembly

350 products

Measuring and Inspecting

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

52 products

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 products

Variance Indicator Depth Base Attachments

Insert the stem of your variance indicator to convert it into a depth gauge

7 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

25 products

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

16 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

128 products

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

51 products

Surface Plate Covers

Protect the flatness and finish of surface plates in storage

5 products

Outside Micrometer Stands

Hold micrometers to free your hands when measuring

3 products

Micrometer Head Mounting Brackets

Mount a micrometer head to your jig or fixture to accurately position workpieces

16 products

Micrometer Heads

Mount on jigs, fixtures, and machine tools to position equipment and measure length

1 product

Variance Indicator Collets

Hold the stem of plunger-style indicators for custom mounting jobs, such as creating depth gauges

4 products

Depth Gauge Base Extensions

Increase the base width of your depth gauge to measure large holes

2 products

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

9 products

Light Boxes

Illuminate your drafting work and view transparencies, slides, and X-rays

1 product

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

10 products

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Fabricating and Machining

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

12 products

Workholding and Positioning Bases

Position objects on workbenches and assembly stations

3 products

Vises

Secure workpieces in place

69 products

Vise Bases

Hold and rotate a vise

2 products

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembling

7 products

Clamps

Hold workpieces securely in place

260 products

Electronic-Component Positioning Stands

Pin components against a circuit board to free up your hands for soldering

1 product

Vacuum Workholding Plates

Secure parts too thin to be held in clamps and vises for milling, drilling, routing, and finishing

8 products

T-Slot Fixture Plates

Position workpieces with T-slot nuts, bolts, and setup studs for precise machining

4 products

T-Slot Nuts

Combine with setup studs or bolts to mount fixtures to machine tables

314 products

T-Slot Covers

Snap into T-slots to block chips, debris, and small parts from falling in

6 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

45 products

Milling Tables

Turn the handles to position work on X- and Y-axes

3 products

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

13 products

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

4 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

48 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

8 products

Drill Bases

Portable and magnetic to grip metal surfaces for on-the-go cutting accuracy similar to a drill press

1 product

Router Tables

Set up on a workbench to hold your router in place and help guide straight cuts

3 products

Press Plates

Lay on the crossbeams of presses to make a sturdy base for removing bearings, bushings, and arbors

4 products

Pry Lever Bars

Lift large loads onto a dolly; also known as Johnson bars

3 products

Material Handling

Carts

Transport objects around your facility

1 product

Drum Dollies

Instead of tilting heavy loads on drum trucks, roll drums upright to where you need them

51 products

Dollies

Move furniture and large equipment

125 products

Hand Trucks

Transport flat-bottom loads

4 products

Moving Slides

Slip under furniture and equipment to slide them across carpet and smooth floors

3 products

Crane Bases

Install throughout plants to secure hand-winch cranes

12 products

Cranes

Raise and move heavy or bulky objects overhead

18 products

Jacks

Lift, hold, push, and position heavy objects

257 products

Cable Tie Mounts

Attach to walls, machines, and other surfaces and add a cable tie to organize and secure bundles

115 products

Robot Pedestals

Elevate robot arms so they can reach raised surfaces, such as conveyor belts and workstations

24 products

Robot Controller Mounts

Use with robot bases to secure your controller near your robot arm for easy access

1 product

Robot Mounts

Secure your robot arm to benches, frames, or other surfaces

2 products

Robot Workstations

Create a portable working home for your robot arm

1 product

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

384 products

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

2 products

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

54 products

Scaffolds

Take on elevated projects that most work platforms aren’t tall and large enough to reach

1 product

Lighting

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

47 products

Light Socket Adapters

Convert light fixtures to accept different bulbs

5 products

Light Socket Pull Cords

Lengthen pull-chain light switches

1 product

Light Lenses

Reduce glare from light bulbs and protect them from damage

4 products

Light Bulb Holders

Secure fluorescent, LED, and miniature light bulbs in place

2 products

Lamp Pipe

Connect lamp components and conceal wires when building or repairing lamps

18 products

Lamp Pipe Fasteners

Fasten lamp pipe to a socket or base to build and repair lamps

2 products

Communication

Sign Post Bases

Mount sign posts to the ground to display signs

2 products

Sign Posts

Drive into the ground or mount to a base to display signs

23 products

Sign Mounts

Fasten signs to posts, or bolt posts directly into the ground

3 products

Containers, Storage, and Furniture

Workbench Bases

Replace workbench bases or make workbenches with your own top

61 products

Workbenches

Often used for shop work with durable tops and storage for tools

103 products

Tables

Fixed-height, adjustable-height, and folding tables

488 products

Table Legs

Replace table legs or make tables with your own tabletop

15 products

Desks

Stand up or sit down to work in offices and plants

7 products

Picnic Table Frames

Build picnic tables with your own wood tops and benches

1 product

Downdraft Tables

Pull particles from woodworking or metalworking out of the air so people won’t breathe them in

2 products

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

16 products

Benches

Add seating to a locker room, break area, clean room, or outdoor path

8 products

Pallets

Stack items to move them with a forklift and keep them orderly and raised off the ground in storage

94 products

Pallet Collars

Enclose your pallet to make a custom crate with no tools required

1 product

Cylinder Racks

Store gas cylinders in an upright position

46 products

Table Racks

Store and transport multiple folding tables

3 products

Chair Racks

Store and move multiple folding chairs at once

4 products

Stacking Racks

Save storage space by stacking up to five racks; move with a forklift like pallets

9 products

Electrical

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

1 product

Relay Sockets

Quickly mount relays to DIN rail or flat surfaces

25 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

718 products

Electrical Cord Reel Bases

Swivel cord reels to access cords from different angles

1 product

Electrical Enclosure Pedestals

Mount enclosures at a comfortable height to access switches, displays, and other controls

6 products

Electrical Enclosure Positioning Arms

Hang your human-machine interface and swivel it around to save floor space and access equipment

2 products

Power Transmission

Motor Mounts

Adjust motor positions in belt-driven systems to increase efficiency and reduce wear on components

34 products

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

624 products

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

53 products

Ball Bearings

Create less friction than other bearings for use at high speeds

60 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

5 products

Fastening and Joining

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

970 products

Studs

Press, weld, or screw in place to add a threaded fastening point

204 products

Weld Nuts

Weld to metal surfaces to add permanent threads

12 products

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

14 products

Turn-Button Fastener Bases

Mate with turn-button fastener eyelets to secure fabrics to solid surfaces

6 products

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

10 products

Safety Equipment

Shirts

Cover your upper body to guard against cold, heat, welding sparks, and dirt

3 products

Pants

Insulate your legs from dirt, cold, heat, rain, and electrical and welding sparks

1 product

Raw Materials

Triethanolamine

Often mixed into polishes and metal working fluids as well as used to neutralize acids

1 product

Sodium Bicarbonate

Often used in detergents and as an abrasive blasting media; also called baking soda

4 products

Facility and Grounds Maintenance

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

46 products

Toilet Supports

Install under your wall-mounted toilet to increase its weight capacity

2 products

Flagpole Accessories

Add or replace flagpole components like pulleys, rope cleats, ornaments, and base collars

4 products

Fluid Handling

Drum Base Heaters

Quickly heat a drum’s contents without having to wrap or stick other heaters on them

2 products

Heating, Ventilation, and Air Conditioning

Exhaust Fan Mounts

Add a flat, straight, or slope base to exhaust fans so you can mount them on roofs

24 products