Arms | McMaster-Carr

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Mounting Location

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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

Base

Blank Mounting Plate

Cable Protector

Combination Stem/Dovetail Attachment

Complete Arm

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Counterbalancing Connector

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System of Measurement

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REACH

DFARS Specialty Metals

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RoHS

Compliant with Exemptions

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Export Control Classification Number (ECCN)

2B997

EAR99

Arm Type

Extended-Reach Rotating with Ball

Inclined with Removable Lip

Rotating/Tilting with Ball

Straight

Straight with Fixed Lip

Straight with Removable Lip

T-Slotted Framing Rail Profile

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Diameter

Attaching End Mount Type

Mounting Pattern Compatibility

Ball Diameter

Extended Length

Handle Length

Arm Length

Extension Force

4,665 Products

Most Likely Products

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

37 products

All Results

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

251 products

Tool Support Arms

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

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

4 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Door Closers

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

103 products

Door Closer Arms

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

6 products

Door Closer Covers

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

2 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

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 Springs

Extend and snap back to pull storm doors and gates closed

18 products

Door Openers

Automatically open doors with a slight nudge

2 products

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

763 products

Crank Handles

The offset handle gives extra leverage to maximize turning force

102 products

Lever Handles

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

105 products

Machine Handles

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

33 products

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

52 products

Cam Handles

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

106 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

T-Slotted Framing Mounts

Connect tubes, switches, casters, and other components to T-slotted rails

13 products

T-Slotted Framing Lighting

Concealed, strip, and workbench lighting for T-slotted framing

2 products

Clamp-On Framing and Fittings

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

1 product

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

1,095 products

Cam Latch Covers

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

3 products

Cam Latch Handles

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

4 products

Multipoint Latches

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

61 products

Cam Latch Padlock Brackets

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

2 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

37 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 Posts

Connect holder bases to clamps to hold variance indicators

3 products

Variance Indicators

Identify small dimensional differences when checking part quality and alignment

24 products

Variance Indicator Extension Rods

Lengthen the reach of your variance indicator

19 products

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

18 products

Inspection Mirrors

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

1 product

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

Clamps

Hold workpieces securely in place

5 products

Vise Handles

Replace handles in vises

5 products

Rotary Tool Hangers

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

1 product

Conduit Benders

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

17 products

Tube Benders

Bend hard and soft metal tubing with various outer diameters

40 products

Benders

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

4 products

Rebar Benders

Bend rebar quickly using leverage from a long handle

5 products

Sheet Metal Benders

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

13 products

Shears/Benders/Curvers

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

3 products

Pry Lever Bars

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

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

Material Handling

Robot Arms

Automate routine material handling and machine tending tasks, such as placing parts onto conveyors

4 products

Railway Track Aligners

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

1 product

Cranes

Raise and move heavy or bulky objects overhead

118 products

Lighting

Machine and Task Lights

Shine light on work areas, within enclosures, and inside machines

55 products

Flashlight Mounts

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

11 products

Facility Lights

Illuminate both indoor and outdoor areas with a permanent light source

14 products

Flashlights

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

3 products

Containers, Storage, and Furniture

Shelf Brackets

Mount and support shelves

Fluid Handling

Valve Handles and Knobs

Replace the handle on most types of valves

1 product

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

1 product

Power Transmission

Gas Springs

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

812 products

Gas Spring Mounts

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

139 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

6 products

Facility and Grounds Maintenance

Toilet Tank Replacement Parts

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

3 products

Animal Repellents

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

24 products

Electrical

Electrical Cords

Connect equipment and devices to a power supply

2 products