Female Inserts | McMaster-Carr

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Stainless Steel

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Aluminum Plated

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Neoprene Coated

Nickel Chrome Plated

Thread Pitch

Height

Width

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Thread Direction

Right Hand and Left Hand

Shape

Adjustable-Angle Elbow

Hex Nut Profile

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Threaded Insert Type

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

Export Control Classification Number (ECCN)

Performance

Abrasion Resistant

Any Orientation

Chemical Resistant

Corrosion Resistant

Fastener Strength Grade/Class

Thread Spacing

Color

Thread Fit

Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5H

Metric Class 6g

Metric Class 6G

Metric Class 6H

Metric Class 7H

Metric Trapezoidal Class 7H

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

How can we improve?

30,706 Products

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Weld Nuts

Weld to metal surfaces to add permanent threads

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Rivet-Mount Nuts

Rivet-Mount Nuts

Add threads in hard-to-reach areas and materials that are too thin to be tapped

Dowel Nuts

Form joints in blind holes in wood

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

Standoffs

Separate, position, or connect components in assemblies

Coupling Nuts

Connect and extend threaded rods

Hex Nuts

Handle most general fastening needs

Flange Nuts

The flange distributes pressure, so you don't need a washer

Locknuts

Hold fasteners in place to prevent loosening from vibration

Easy to tighten and loosen by hand for making frequent adjustments

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Split Nuts

Swivel to attach at any point on a threaded rod for quick installation

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

Square Nuts

Flat sides won’t spin in channels and square holes

Tamper-Resistant Nuts

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

Slotted Round Nuts

Slotted Round Nuts

Fasten with a screwdriver in tight spots where there's no room for a wrench

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchors

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

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Threaded Insert Installation Tools

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

Snap-In Nut Tools

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

Electrical Power, Networking, and Controlling

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

Mil. Spec. Connectors

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

Power Connector Caps

Power Connector Caps

Cover pin-and-sleeve power connectors when they're not in use

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

Ecomate Connectors

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

Audio Connectors

Audio Connectors

Plugs, sockets, receptacles, and adapters to make audio connections

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

Coaxial Connectors

Coaxial Connectors

Plugs, sockets, receptacles, and adapters to make coaxial connections

DisplayPort Connectors

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

Solenoid Valve Sockets

Solenoid Valve Sockets

Pair with plugs or receptacles to connect solenoid components

Video Adapters

Convert from one video connection to another

Ballast Connectors

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

Micro 360 Sockets

Micro 360 Sockets

Pair with plugs to make signal and data connections in tight spaces

ix Industrial Sockets

ix Industrial Sockets

Pair with plugs to add ix Industrial connections to printed circuit boards

AMP Connectors

Build-your-own and ready-to-use AMP connectors

Fiber-Optic Connectors

Fiber-Optic Connectors

Join fiber-optic cords that have the same gender and connection type

Molex Connectors

Molex Connectors

Plugs, sockets, and housings for making Molex connections

Sure Seal Connectors

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

Han Sockets

Pair with plugs to make Han connections

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

D-Sub Connectors

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

CB Radio Sockets

CB Radio Sockets

Pair with receptacles to connect CB radios

DMX Sockets

Pair with plugs on lighting cables

HDMI Adapters

Convert one HDMI size or style to another

RJ45 Connector Caps

RJ45 Connector Caps

Protect sockets and maintain the IP67 rating when not in use

HDMI Connector Caps

HDMI Connector Caps

Protect HDMI sockets and maintain their IP rating when not in use

Coaxial Connector Caps

Coaxial Connector Caps

Terminate the end of an unused coaxial cable

USB Connector Caps

USB Connector Caps

Shield unused USB connectors from damage, contaminants, and moisture

Metric Circular Connector Caps

Metric Circular Connector Caps

Keep metric circular connectors safe when they're not in use

Mil. Spec. Connector Caps

Mil. Spec. Connector Caps

Protect Mil. Spec. connectors when they're not in use

Mini Connector Caps

Mini Connector Caps

Shield mini connectors when they're not in use

Distribution Blocks

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

Outlet Strips

Plug in multiple devices to power them from a single outlet

Extension Cord Circuit Interrupter Converters

Extension Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Power Cords

Connect equipment and devices to a power source

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Ethernet Cords

Send data between computers, printers, servers, and switches

USB Chargers

Power up mobile devices and other electronics

Video Adapter Cords

Video Adapter Cords

Send video between devices with different connections

Welding Cable Connectors

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

USB Extenders

Increase the reach of USB devices with a transmitter and receiver

Audio Cords

Hook up speakers to an audio signal

DMX Cords

Connect to lighting equipment with five-pin XLR connections

Profibus Cords

Transmit data in automation systems and other networks

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

DisplayPort Cords

DisplayPort Cords

A DisplayPort connection at each end sends video from computers to displays

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

USB Cords

Transfer data between computers, printers, and mobile devices

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Temporary Power Distribution Boxes

Temporary Power Distribution Boxes

Send power to equipment from generators or other sources when electricity is not available

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Jumper Cords

Ready to connect with a terminal at one or both ends

Conduit Straights

Conduit Straights

Join conduit of different sizes and types, or attach conduit to a knockout in electrical boxes

Raceway Outlet Strips

Raceway Outlet Strips

Mount to a wall with clips and hardwire to an existing electrical system

Material Handling

Hitch Receivers

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

Caster Sockets

Mount on the inside corners of channel and other framing to attach stem casters

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Turnbuckle Nuts

Turnbuckle Nuts

Tighten against a turnbuckle body to prevent the end fitting from unscrewing

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Protective Feet

Protective Feet

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

Leveling Mounts

Leveling Mounts

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

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

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

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

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

Fabricating and Machining

Fixture Kits

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

T-Slot Nuts

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

Lathe Chuck Jaw Nuts

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

Drill Rig Thread Adapters

Drill Rig Thread Adapters

Change thread sizes on bits to use them in drill rigs

Fluid Handling

Thermocouple Connectors

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Power Transmission

Ball Screws and Nuts

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Rod End Inserts

Rod End Inserts

Attach to rod ends to increase the amount of misalignment they can handle

Shock Absorber Mounts

Shock Absorber Mounts

Attach threaded-body shock absorbers to equipment like conveyors, lifters, and presses

Cylinder Mount Nuts

Cylinder Mount Nuts

Use with a mounting block to position and secure threaded-body hydraulic cylinders

Precision Lead Screws and Nuts

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Linear Drive Nuts

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

Containers, Storage, and Furniture

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Lighting

Lamp Pipe Fasteners

Lamp Pipe Fasteners

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

Light Sockets

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

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)