Threaded Nuts | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Length

Finish

Aluminum Plated

Black Zinc Plated

Cadmium Yellow-Chromate Plated

Corrosion-Resistant Coated

Dry Film Lubricated

Hot-Dipped Galvanized

Neoprene Coated

Width

Thread Direction

Right Hand and Left Hand

Thread Pitch

Height

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

Hex Nut Profile

Gender

Thread Spacing

Threading

Partially Threaded

Threaded on Both Ends

Hex Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Thread Length

Thread Fit

ASME Interference Class 5

Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5H

Metric Class 6g

Metric Class 6G

Metric Class 6h

Metric Class 6H

Metric Class 7H

Metric Interference Sk6

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Specifications Met

CSA C22.2 No. 18.5

Federal Specification

NEBS GR-63-CORE

Threaded Insert Type

Shape

How can we improve?

30,807 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

Coupling Nuts

Connect and extend threaded rods

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

Easy to tighten and loosen by hand for making frequent adjustments

Panel Nuts

Extremely thin for tight spots such as electrical panels; also known as dress nuts

Square Nuts

Flat sides won’t spin in channels and square holes

Cap Nuts

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

Socket Nuts

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

Push-Button Nuts

Push-Button Nuts

Disengage the threads to quickly slide along threaded rods

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

Lug Nuts

Secure pneumatic wheels to axles

Rivet Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Screw-Mount Nuts

Screw-Mount Nuts

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

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Clip-On Nuts

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

Dowel Nuts

Form joints in blind holes in wood

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Tube-Connecting Nuts

Tube-Connecting Nuts

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

Snap-In Nuts

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

Rivet-Mount Nuts

Rivet-Mount Nuts

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Studs

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Tighten and loosen by hand without the need for tools

Jack Screws

Secure computer cables and panels

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

Retaining Rings

Retaining Rings

Hold components on a shaft

Press-Fit Nut Installation Tools

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Pipe Wrench Nuts

Pipe Wrench Nuts

Replace nuts on pipe wrenches

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Rivet Nut Tools

Rivet Nut Tools

Install rivet nuts

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

Push Nut Installation Tools

Push Nut Installation Tools

Press nuts and retaining rings onto threaded fasteners and shafts

Snap-In Nut Tools

Snap-In Nut Tools

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

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Bearing Nuts

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

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Cylinder Mount Nuts

Cylinder Mount Nuts

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

Ball Screws and Nuts

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

Roller Screws and Nuts

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

Machine Handles

Machine Handles

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

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

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

Leveling Mount Inserts

Leveling Mount Inserts

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

Fabricating and Machining

T-Slot Nuts

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

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

T-Slot Cleaners

T-Slot Cleaners

Scrape debris out of machine table T-slots

T-Slot Covers

Snap into T-slots to block chips, debris, and small parts from falling in

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Fixture Kits

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

Fixture Clamps

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

Milling Machine Collet Chucks

Milling Machine Collet Chucks

Secure collets in milling machine spindles

Lathe Chuck Jaw Nuts

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

Clamps

Hold workpieces securely in place

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

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

Pipe and Pipe Fittings

Pipe and Pipe Fittings

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

Tube and Tube Fittings

Tube and Tube Fittings

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

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Material Handling

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

Cable Holders

Mount to a surface to secure and route cable

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Split-Bolt Connectors

Split-Bolt Connectors

Splice large wire sizes without special tools

Terminal and Splice Kits

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

Terminal Covers

Terminal Covers

Block out dirt and corrosion to protect battery terminals

Wire Splices

Join wire and protect the connection

Communication

Reference Books

Reference Books

Keep industrial information, regulations, and processes on hand

Facility and Grounds Maintenance

Sink Drain Fittings

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

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