Bases | McMaster-Carr

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Acrylic/Cotton Fabric

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Mount Type

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Finish

Hot-Dipped Galvanized

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Color

Light Brown Woodgrain

Light Gray

Off-White

Number of Mounting Holes

Rail Height

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Strut Channel Type

Strut Channel Framing Component

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Compliant with Exemptions

Not Compliant

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Performance

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Bolt-Together Framing Component

Bracket Type

Base Material

13,943 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

221 products

T-Slotted Framing and Fittings

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

1,435 products

Slip-On Framing Rail Mounts

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

111 products

Bolt-Together Framing and Fittings

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

11 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

71 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

Protective Feet

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

279 products

Vibration-Damping Mounts

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

992 products

Leveling Mount Inserts

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

113 products

Positioning Arms

Mount and position tools and other small equipment

27 products

Turntables

Rotate to reposition machinery and equipment

93 products

Tablet, Laptop, and Mobile Device Mounts

Hold and position your electronic devices so they're in sight and within reach

27 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

1,785 products

Wall Bases

Protect the bottom of walls from foot traffic and impact

12 products

Light Pole Guards

Protect light poles and exposed concrete bases from vehicle impact

6 products

Brackets

Connect surfaces in an assembly

351 products

Measuring and Inspecting

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

65 products

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

16 products

Surface Plates

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

51 products

Variance Indicator Holder Fine-Adjustment Attachments

Install on Starrett variance indicator holders for precise control over positioning

1 product

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

126 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 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

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

25 products

Surface Plate Covers

Protect the flatness and finish of surface plates in storage

5 products

Variance Indicator Depth Base Attachments

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

7 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

Light Boxes

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

1 product

Inspection Mirrors

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

13 products

Inspection Setup Blocks

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

2 products

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

10 products

Fabricating and Machining

Toggle Clamps

Lock workpieces onto worktables or objects

292 products

Clamping Screw Clamps

Mount in a base or through a threaded hole, then tighten the tip to hold a workpiece in place

30 products

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

7 products

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

6 products

Corner Clamps

Align and secure materials at a corner joint

4 products

C-Clamps

Temporarily secure workpieces together or to a work surface

2 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

3 products

Spring Clamp Workholders

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

7 products

Vises

Secure workpieces in place

124 products

Workholding and Positioning Bases

Position objects on workbenches and assembly stations

2 products

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

12 products

Electronic-Component Positioning Stands

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

1 product

Vise Bases

Hold and rotate a vise

2 products

Vacuum Workholding Plates

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

11 products

T-Slot Fixture Plates

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

7 products

Fixture Squares

Build different fixtures on multiple sides of the same block

38 products

Milling Tables

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

3 products

Fixture Tables

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

70 products

Grid Fixture Plates

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

63 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

V-Blocks

Hold round workpieces

72 products

Fixture Kits

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

50 products

T-Tracks

A versatile foundation for custom fixturing setups

44 products

Sine Plates

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

4 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Rotary Tables

Rotate your work 360° for easy access to different angles

16 products

Fixture Clamps

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

51 products

Tailstocks

Stabilize long workpieces for precise machining

4 products

Drill Bases

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

1 product

Pry Lever Bars

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

4 products

Press Plates

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

4 products

Router Tables

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

3 products

Material Handling

Crane Bases

Install throughout plants to secure hand-winch cranes

12 products

Jacks

Lift, hold, push, and position heavy objects

276 products

Cranes

Raise and move heavy or bulky objects overhead

30 products

Dollies

Move everything from large equipment to ladders and pipes

171 products

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

56 products

Hand Trucks

Transport flat-bottom loads

4 products

Moving Slides

Move heavy equipment or furniture with ease

12 products

Robot Pedestals

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

37 products

Robot Pedestal Adapter Kits

Attach to square pedestals to support accessories or build a custom cable management system

1 product

Robot Controller Mounts

Store your robot controller off the floor

3 products

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

7 products

Cable Tie Mounts

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

109 products

Hook and Loop Strap Mounts

Add a hook and loop strap to secure a bundle

6 products

Pallets

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

48 products

Pallet Collars

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

2 products

Hoist Rings

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

382 products

Conveyor Guide Mounts

Control the position of guide rails

2 products

Conveyor Accessory Mounts

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

61 products

Scaffolds

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

2 products

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

6 products

Light Poles

Bring light to your parking lot or walkway in minutes

4 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

Light Bulb Holders

Secure fluorescent, LED, and miniature light bulbs in place

1 product

Light Retrofit Kits

Upgrade to energy-efficient LED lights without completely replacing old fixtures

11 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

Desks

Stand up or sit down to work in offices and plants

7 products

Table Legs

Replace table legs or make tables with your own tabletop

15 products

Tables

Fixed-height, adjustable-height, and folding tables

497 products

Workbench Bases

Replace workbench bases or make workbenches with your own top

112 products

Workbenches

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

127 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

5 products

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

30 products

Cylinder Racks

Store gas cylinders in an upright position

46 products

Chair Racks

Store and move multiple folding chairs at once

4 products

Table Racks

Store and transport multiple folding tables

3 products

Stacking Racks

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

9 products

Benches

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

3 products

Fastening and Joining

Studs

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

204 products

Anchors

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

970 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

Electrical Power, Networking, and Controlling

Relay Sockets

Quickly mount relays to DIN rail or flat surfaces

34 products

Relays

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

414 products

Air-Actuated Relays

Convert an air signal on a pneumatic control system to an electric one

1 product

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

64 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

79 products

Lighting Relays

Control lighting circuits and switch lighting systems on or off

13 products

Vehicle Relays

Switch high-current loads on vehicles, such as starters, headlights, and fuel pumps

47 products

Latching Relays

Lock into position so they don't require constant voltage to stay switched

29 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

31 products

Infrequent-Cycle Relays

Use with equipment that cycles on and off, such as HVAC systems

147 products

Alternating Relays

Automatically split run time between two devices so one isn't always running

2 products

Pull-Chain Switches

Pull a chain to send a signal, such as for turning on and off lights and fans

1 product

Extension Cord Reel Bases

Swivel cord reels to access cords from different angles

1 product

Electrical Enclosure Positioning Arms

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

2 products

Electrical Enclosure Pedestals

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

6 products

Electrical Enclosure Floor Stands

Mount enclosures to the floor above hazards such as water

8 products

Fuse Holders

Contain, protect, and mount fuses

41 products

Power Transmission

Mounted Bearings

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

619 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

Motor Mounts

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

34 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

5 products

Safety Equipment

Guardrail Bases

Mount two bases, then stack rails to the desired height

1 product

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

Spill-Control Pallets

Add a secondary spill-containment system to your safety cabinets for flammables

53 products

Fluid Handling

Air Nozzles

Blow concentrated air for cleaning, drying, cooling, and ejecting parts

3 products

Drum Base Heaters

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

2 products

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

Flagpole Accessories

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

4 products

Toilet Supports

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

2 products

Floor, Wall, and Ceiling Plates

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

46 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