Mounting Nuts | McMaster-Carr

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Stainless Steel

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Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

25 mm or greater

Hex Nut Profile

Component

Hold-Down Clamp

Fastener Strength Grade/Class

RoHS

Compliant with Exemptions

DFARS Specialty Metals

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Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5H

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Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Unified Standard Class 1B

Export Control Classification Number (ECCN)

REACH

End Type

For Tap Thread Size

How can we improve?

13,148 Products

Most Likely Products

Screw-Mount Nuts

Screw-Mount Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Panel Nuts

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

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

Weld Nuts

Weld to metal surfaces to add permanent threads

All Results

Fastening and Joining

Screw-Mount Nuts

Screw-Mount Nuts

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

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

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

Rivet Nuts

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

Rivet-Mount Nuts

Rivet-Mount Nuts

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

Clip-On Nuts

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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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

Panel Nuts

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

Cap Nuts

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Flange Nuts

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

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

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

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

Easy to tighten and loosen by hand for making frequent adjustments

Split Nuts

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

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

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Lead Screws

Pair with lead screw nuts to move components in a straight line

Lead Screw Handles

Lead Screw Handles

Pair with lead screws to quickly fasten and position components by hand

Cylinder Mount Nuts

Cylinder Mount Nuts

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

Rod End Nuts

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

Bearing Nuts

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

Ball Screws and Nuts

Ball Screws and Nuts

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

Lead and Ball Screw End Supports

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

Roller Screws and Nuts

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

Building and Machinery Hardware

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

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

Facility and Grounds Maintenance

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Sink Drain Fittings

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

Fluid Handling

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

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

Fixture Kits

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

T-Tracks

Add fixturing to flat surfaces on machines such as table saws, CNC routers, and drill presses

Lathe Chuck Jaw Nuts

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

Clamps

Hold workpieces securely in place

Electrical

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

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