Clamp Nuts | McMaster-Carr

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Product Family

End Supports for Ball Screws and Precision Lead Screws

System of Measurement

Thread Size

Material

Nut Type

Finish

Cadmium Yellow-Chromate Plated

Chrome Plated

Coated

Corrosion-Resistant Coated

Dyed

Galvanized

Hot-Dipped Galvanized

Height

Width

Thread Pitch

Hex Nut Profile

Fastener Strength Grade/Class

Length

Thread Direction

Screw Size

Thread Type

UN/UNF (SAE Straight)

Thread Spacing

Performance

Locking Type

Specifications Met

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

Thread Fit

ASME Interference Class 5

Metric Interference Sk6

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3B

Threading

Fully Threaded

Partially Threaded

Threaded on Both Ends

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11,330 Products

Fabricating and Machining

Fixture Clamps

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

439 products

T-Slot Nuts

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

314 products

Fixture Kits

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

50 products

Setup Studs

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

627 products

Collet Nuts

Secure collets inside collet chucks and fixtures

67 products

Fastening and Joining

Flange Nuts

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

769 products

Hex Nuts

Handle most general fastening needs

3,190 products

Split Nuts

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

18 products

Coupling Nuts

Connect and extend threaded rods

620 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

1,602 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

8 products

Square Nuts

Flat sides won’t spin in channels and square holes

160 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

27 products

Panel Nuts

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

117 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

78 products

Clip-On Nuts

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

142 products

Press-Fit Nuts

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

457 products

Snap-In Nuts

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

99 products

Dowel Nuts

Form joints in blind holes in wood

11 products

Push Nuts

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

82 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,018 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

36 products

Studs

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

92 products

Snap-In Nut Tools

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

3 products

Power Transmission

Bearing Nuts

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

412 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Ball Screws and Nuts

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

205 products

Roller Screws and Nuts

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

8 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

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

339 products

Electrical Power, Networking, and Controlling

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

119 products

Fluid Handling

Pipe Locknuts

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

119 products

Material Handling

Turnbuckle Nuts

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

34 products

Facility and Grounds Maintenance

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product