Telescopes | McMaster-Carr

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T-Slotted Framing Component

Locking Collar

Mounting Foot

Rail Slide

System of Measurement

Travel Length

Length

Rail Height

Shape

T-Slotted Framing Rail Profile

Bolt-Together Framing Component

DFARS Specialty Metals

Height

Color

Mounting Location

Wall Thickness

Export Control Classification Number (ECCN)

Thread Size

Width

Diameter

Rail Type

Shaft Diameter

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Compliant with Exemptions

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

REACH

2,474 Products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

10 products

Bolt-Together Framing and Fittings

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

112 products

Weld-Together Framing and Fittings

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

40 products

Strut Channel

Route conduit and pipe or build other structures

7 products

Prop Rods

Prop hood, trunk, and other lids open at a variety of angles

1 product

Positioning Arms

Mount and position tools and other small equipment

1 product

Brackets

Connect surfaces in an assembly

2 products

Drawer Slides

Smoothly guide drawers in and out of cabinets

352 products

Bellows

Prevent dust and debris from damaging moving parts

569 products

Joint Covers

Shield rotating joints to keep lubricants in and contaminants out

18 products

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

47 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

12 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

14 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

60 products

Power Transmission

Telescoping Rails

Carry heavy loads, such as in pick-and-place applications, machine tool doors, and press arms

40 products

Guide Rails

Use for short-travel, high-speed applications that require low friction

59 products

Positioning Slides

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

80 products

Electric Slides

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

23 products

Fastening and Joining

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

15 products

Gravity Pins

Slip through holes in telescoping tubing and wrap around to secure

1 product

Spring Button Clips

Join pieces of telescoping tubing using spring force

40 products

Measuring and Inspecting

Binoculars

Track moving objects and scan wide areas from far away

1 product

Inspection Cameras

Reach into tight and hard-to-access spots and stream the inspection on your phone or tablet

3 products

Monoculars

Magnify still objects from far away to view features you couldn't see with the naked eye

2 products

Inspection Mirrors

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

53 products

Magnifiers

Workstation, hand-held, headband, and eyeglass magnifiers

2 products

Sight Levels

Establish a level line of sight during land surveying

1 product

Leveling Rods

Use with sight levels to estimate the distance between you and a given object

5 products

Bore Gauges

Insert into a hole and expand the contacts to measure diameter

27 products

Airflow Meters

Measure airflow in duct, air filters, exhaust hoods, and other air applications

13 products

Fabricating and Machining

Magnetic Retrievers

Pick up screws, nuts, and other small magnetic objects

24 products

Spring Clamps

Hold lightweight materials in place, then squeeze to release

1 product

Retrievers

Grab and pull objects out of hard-to-reach spots

18 products

Picks

Hold, separate, and position small parts such as wire and springs

2 products

Blowguns

Direct a stream of air to clean equipment, parts, and spaces

2 products

Facility and Grounds Maintenance

Pole Handles

Replace handles or extend the reach on tools like brooms, paint rollers, and window washers

28 products

Brooms

Sweep up dust, dirt, and other debris

19 products

Material Handling

Forklift Booms

Attach to forklifts to handle long, cumbersome loads

29 products

Puller Hooks

Pull crates, bales, and other objects or lift off covers

3 products

Lift Trucks

Raise and lower heavy loads to stack, pack and unpack, and store them

4 products

Panel Lifters

Move large, heavy sheets of plywood, cement board, and drywall

3 products

Ladders

Wall-mount, rolling platform, and step ladders

14 products

Shipping Tubes

Protect rods, rolled-up blueprints, and other long, thin objects during shipping

208 products

Robot Workstations

Create a portable working home for your robot arm

1 product

Conveyors

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

2 products

Robot Pedestals

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

2 products

Hand Trucks

Transport flat-bottom loads

10 products

Dock Plates

Temporarily position between docks and trucks to bridge gaps

4 products

Containers, Storage, and Furniture

Table Legs

Replace table legs or make tables with your own tabletop

5 products

Hydraulic Lifts

Convert fixed-height workbenches into adjustable-height workbenches

6 products

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Drain Pans

Hold oil, coolant, and other discarded liquids for disposal

1 product

Temporary Partition Poles

Support tarps, drop cloths, and plastic sheeting to create temporary walls that block dust

3 products

Dispensing Stands

Suspend and tilt large pails or drums to easily dispense the material inside

2 products

Communication

Pointers

Shine the laser or extend the tip to direct attention during presentations

1 product

Whiteboards

Write with dry erase markers, then easily erase

1 product

Easels

Hold paper pads and boards up for display

1 product

Pipe Marker Applicators

Roll adhesive-back pipe markers onto pipe, tube, duct, or conduit without a ladder

1 product

Sign Holders

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

9 products

Safety Equipment

Hot Sticks

Operate high-voltage switches from a safe distance

17 products

Hot Stick Heads

Swap out the head on your hot stick to operate switches, pull cotter pins, and more

10 products

Safety Mirrors

See what's happening around corners, at intersections, down aisles, and over counters

5 products

Fluid Handling

Air Nozzles

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

1 product

Drum Pumps

Draw liquids out of drums, pails, and other small containers

2 products

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

3 products

Electrical Power, Networking, and Controlling

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

8 products

Cable and Hose Carriers

Route, protect, and guide moving cable

334 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

48 products

Cable and Hose Carrier Accessories

Move cable and hose carriers alongside robot arms without obstructing movement

113 products

Lubricating

Oil

Thinner than grease to flow in smaller gaps; dissipates heat and removes dirt and metal shavings

25 products