M16 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Thread Pitch

Nut Type

Hex Nut Profile

Material

Fastener Strength Grade/Class

Height

Finish

Hot-Dipped Galvanized

Phosphate Coated

Zinc Plated

Zinc Yellow-Chromate Plated

Width

Thread Spacing

Thread Direction

Specifications Met

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

UNC

Fastener Strength Rating

Locking Type

Performance

Thread Fit

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Unified Standard Class 2B

Drive Style

Color

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Flange Diameter

327 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

Split Nuts

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

1 product

Square Nuts

Flat sides won’t spin in channels and square holes

3 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

1 product

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

29 products

Standoffs

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

1 product

Thread Adapters

Join threads of a different type, size, and gender

12 products

Power Transmission

Lead Screws and Nuts

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

19 products

Bearing Nuts

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

5 products

Ball Screws and Nuts

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

7 products

Fabricating and Machining

T-Slot Nuts

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

11 products

T-Slot Bolts

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

3 products

Setup Studs

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

36 products

Fixturing Kits

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

3 products

Fixturing Clamps

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

2 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

1 product

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

6 products

Electrical

Conduit and Conduit Fittings

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

4 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