Metric Ball Nuts | McMaster-Carr

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Metric Rounded Trapezoidal

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Nut Type

Hex Nut Profile

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Corrosion-Resistant Coated

Dry Film Lubricated

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Galvanized

Hot-Dipped Galvanized

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Specifications Met

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Metric Interference Sk6

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Unified Standard Class 2A

Unified Standard Class 2B

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Compliant with Exemptions

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REACH

Compliant

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DFARS Specialty Metals

Compliant

Exempt

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Export Control Classification Number (ECCN)

Screw Size

10,614 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

1,110 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

443 products

Flange Nuts

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

306 products

Coupling Nuts

Connect and extend threaded rods

183 products

Cap Nuts

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

69 products

Square Nuts

Flat sides won’t spin in channels and square holes

46 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

144 products

Panel Nuts

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

7 products

Socket Nuts

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

22 products

Slotted Round Nuts

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

7 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

6 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

25 products

Lug Nuts

Secure pneumatic wheels to axles

5 products

Split Nuts

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

4 products

Press-Fit Nuts

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

208 products

Weld Nuts

Weld to metal surfaces to add permanent threads

133 products

Rivet Nuts

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

203 products

Clip-On Nuts

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

27 products

Threaded Inserts

Create new threads or repair stripped threads

1,016 products

Adhesive-Mount Nuts

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

64 products

Snap-In Nuts

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

26 products

Screw-Mount Nuts

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

1 product

Push Nuts

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

9 products

Standoffs

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

1,402 products

Binding Barrels and Screws

Thread together for a low-profile fastener

70 products

Thread Adapters

Join threads of a different type, size, and gender

2,341 products

Thumb Screws

Tighten and loosen by hand without the need for tools

70 products

Fastener Assortments

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

4 products

Studs

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

112 products

Lock Washers

Resist vibration to prevent fasteners from loosening

81 products

Retaining Rings

Hold components on a shaft

120 products

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

1 product

Push Nut Installation Tools

Press nuts and retaining rings onto threaded fasteners and shafts

Power Transmission

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

256 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

35 products

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

11 products

Lead Screws and Nuts

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

200 products

Ball Screws and Nuts

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

56 products

Rod End Nuts

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

8 products

Roller Screws and Nuts

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

8 products

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

3 products

Building and Machinery Hardware

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

245 products

Strut Channel Framing and Fittings

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

71 products

Locking-Slotted Framing and Fittings

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

3 products

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

8 products

Leveling Mount Inserts

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

15 products

Fabricating and Machining

T-Slot Nuts

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

73 products

T-Slot Bolts

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

18 products

T-Slot Covers

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

6 products

T-Slot Cleaners

Scrape debris out of machine table T-slots

2 products

Setup Studs

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

311 products

Fixturing Kits

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

15 products

Fixturing Clamps

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

21 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

9 products

Fluid Handling

Pipe and Pipe Fittings

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

25 products

Tube and Tube Fittings

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

91 products

Electrical

Conduit and Conduit Fittings

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

32 products

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

42 products

Loop Clamps

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

478 products

Cable Holders

Mount to a surface to secure and route cable

6 products