M16 Nuts | McMaster-Carr

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Metric Trapezoidal Class 7e

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Unified Standard Class 2B

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391 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

70 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

34 products

Flange Nuts

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

28 products

Panel Nuts

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

1 product

Coupling Nuts

Connect and extend threaded rods

13 products

Cap Nuts

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

4 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

5 products

Socket Nuts

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

1 product

Square Nuts

Flat sides won’t spin in channels and square holes

3 products

Split Nuts

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

1 product

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

3 products

Weld Nuts

Weld to metal surfaces to add permanent threads

4 products

Press-Fit Nuts

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

1 product

Threaded Inserts

Create new threads or repair stripped threads

58 products

Thread Adapters

Join threads of a different type, size, and gender

12 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

8 products

Power Transmission

Bearing Nuts

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

5 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

6 products

Precision Lead Screws and Nuts

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

11 products

Ball Screws and Nuts

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

7 products

Lead Screw Collars

Position components and limit travel along a lead screw

2 products

Fabricating and Machining

T-Slot Nuts

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

16 products

T-Slot Bolts

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

17 products

Setup Studs

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

36 products

Fixture Kits

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

3 products

Fixture Clamps

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

5 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

1 product

Electrical

Conduit and Conduit Fittings

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

4 products

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

6 products

Building and Machinery Hardware

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

2 products

Leveling Mount Inserts

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

4 products