Arms | McMaster-Carr

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Adjustable Dovetail Swivel Attachment

Arm

Attaching-End Mounting Pad

Ball-and-Socket Adapter

Ball-and-Socket Connector

Ball-and-Socket Swiveling Dovetail Attachment

Combination Stem/Dovetail Attachment

Complete Arm

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Double-Jointed Dovetail Attachment

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

2B997

2B999

EAR99

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

Handle Style

Diameter

T-Slotted Framing Rail Profile

Arm Type

Inclined with Removable Lip

Straight with Fixed Lip

Straight with Removable Lip

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4,787 Products

Most Likely Products

Positioning Arms

Mount and position tools and other small equipment

191 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

50 products

Tool Support Arms

Suspend tools to keep them out of the way but still within reach

5 products

All Results

Building and Machinery Hardware

Positioning Arms

Mount and position tools and other small equipment

191 products

Tool Support Arms

Suspend tools to keep them out of the way but still within reach

5 products

Monitor Mounts

Mount monitors to walls, benches, ceilings, and other surfaces

26 products

Torque-Absorbing Arms

Built to handle the torque of small power tools so you don’t have to

5 products

Tripod Head Adapters

Mount ball-grip components such as arms and device grips to the top of tripods

1 product

Tripods

Stabilize cameras and other equipment

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Laptop Mounts

Create a secure mounting point for your laptop

2 products

Radio Mounts

Keep radios in sight and within reach

3 products

Phone Mounts

Secure smartphones where you can see and reach them

6 products

Monitor Mount Adapters

Convert your mount to hold monitors of different sizes

2 products

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

107 products

Prop Rods

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

1 product

Lid Supports

Keep lids on cabinets, hatches, and chests open and then close them smoothly or softly

61 products

Door Closer Arms

Replace arms instead of the entire closer to continue to pull doors closed

6 products

Window Openers

Operate crank- or push-to-open casement and awning windows

3 products

Window Opener Handles

Replace handles instead of the entire opener to operate crank-to-open windows

2 products

Door Openers

Automatically open doors with a slight nudge

2 products

Door Springs

Extend and snap back to pull storm doors and gates closed

18 products

Door Closer Covers

Make existing door closers look new again while blocking out dirt and debris

2 products

T-Slotted Framing and Fittings

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

15 products

Clamp-On Framing Monitor Mounts

Hang flat-panel displays from your clamp-on framing structure

1 product

Damper Control Arms

Connect actuating motors to your duct system to control ventilation dampers

3 products

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

759 products

Crank Handles

The offset handle gives extra leverage to maximize turning force

102 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

104 products

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

33 products

Lever Handles

Replace gear levers or attach to cranks and hand wheels to make them easier to turn

105 products

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

52 products

Ball-Lever Shafts

Attach a ball knob to create a custom handle for operating machinery

56 products

Ratchet Handles

Quickly adjust machine components and valves in tight spaces

24 products

Cam Latches

Grab the handle, knob, or pull tab to open

241 products

Cam Locks

Unlock with a key, magnetic fob, screwdriver, or number combination

854 products

Multipoint Latches

Secure tall cabinets and trailer doors at multiple spots along their frame for extra holding power

89 products

Cam Lock and Latch Handles

Grab and pull to open a door when the cam lock or latch doesn't have a handle

4 products

Cam Lock and Latch Padlock Brackets

Mount to cam locks and latches without a handle to add a padlock for security

2 products

Cam Lock and Latch Covers

Seal off cam locks and latches so dust, dirt, and water don't get in

3 products

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

3 products

Measuring and Inspecting

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

50 products

Variance Indicator Clamps

Secure and position indicators, arms, and other components on holders

10 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 Indicators

Identify small dimensional differences when checking part quality and alignment

27 products

Variance Indicator Holder Posts

Connect holder bases to clamps to hold variance indicators

3 products

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

19 products

Inspection Mirrors

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

2 products

Shaft Alignment Kits

Confirm that shafts are aligned or measure the degree of their misalignment

6 products

Fabricating and Machining

Spring Clamp Workholders

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

7 products

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

12 products

Spring Clamps

Hold lightweight materials in place, then squeeze to release

1 product

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

4 products

Vise Handles

Replace handles in vises

5 products

Conduit Benders

Bend conduit by hand, by foot, with heat, or with a hydraulic pump

20 products

Tube Benders

Bend hard and soft metal tubing with various outer diameters

56 products

Benders

Bend wire, rod, and flat stock into hooks, brackets, and pipe hangers or more complex shapes

4 products

Shears/Benders/Curvers

Cut, bend, and curve sheet metal with a single tool to save space in your shop

3 products

Sheet Metal Benders

Bend sheet metal into boxes, trays, curves, and other shapes

16 products

Rebar Benders

Form rebar into hooks, anchors, stirrups, and more

4 products

Rotary Tool Hangers

Store rotary tools above your workbench; swivel the hanger and adjust its height to suit your setup

1 product

Pry Lever Bars

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

4 products

Tapping Arms

The best tool for threading holes in small batches

13 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Positioning Arms

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

24 products

Power Cords

Connect equipment and devices to a power source

2 products

Material Handling

Cranes

Raise and move heavy or bulky objects overhead

175 products

Drum Upenders

Lift heavy drums from horizontal to upright without straining your back

1 product

Forklift Booms

Attach to forklifts to handle long, cumbersome loads

31 products

Robot Arms

Automate routing material handling and machine tending tasks

25 products

Delta Robots

Fast and precise for repetitive sorting, packaging, and assembling

10 products

Railway Track Aligners

Push or pull rails to correct spacing after a derailment and when installing gauge tie rods

1 product

Lighting

Flashlight Mounts

Attach flashlights to hard hats and other surfaces to keep your hands free for work

11 products

Dock Lights

Brighten dark loading docks and trailers while you're loading and unloading

22 products

Machine Lights

Shine light on machinery or into sights to view interior work processes

47 products

Workstation Lights

Mount above your workspace to brighten your work and add light where ceiling lights can't reach

89 products

Flashlights

Direct a beam of light to precisely where it's needed

3 products

Heating, Ventilation, and Air Conditioning

Fume Exhaust Hoses

Position where needed to remove fumes, vapors, and fine dust particles from your space

8 products

Power Transmission

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

139 products

Gas Springs

Support the weight of doors, hatches, and lids to assist opening and closing

837 products

Fluid Handling

Valve Handles

Replace the handle on most types of valves

1 product

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

1 product

Containers, Storage, and Furniture

Mount and support shelves

3 products

Safety Equipment

Parking Gate Arms

Replace arms on motor-powered gates

3 products

Bollard Gates

Slide over bollards to control access to parking lots and dock doors

8 products

Facility and Grounds Maintenance

Animal Repellents

Ward off animals and pests with spikes, decoys, speakers, and other repellents

25 products

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

3 products