M5 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Nut Type

Material

Thread Pitch

Height

Hex Nut Profile

Finish

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Width

Thread Type

Metric Rounded Trapezoidal

Thread Direction

Screw Size

Fastener Strength Grade/Class

Specifications Met

Thread Spacing

Locking Type

Fastener Strength Rating

RoHS

Compliant with Exemptions

Performance

Thread Fit

Unified Standard Class 2A

Unified Standard Class 2B

Drive Style

DFARS Specialty Metals

Color

REACH

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

Yes

Export Control Classification Number (ECCN)

1,186 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

53 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

29 products

Flange Nuts

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

21 products

Cap Nuts

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

7 products

Square Nuts

Flat sides won’t spin in channels and square holes

6 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

18 products

Coupling Nuts

Connect and extend threaded rods

13 products

Slotted Round Nuts

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

1 product

Socket Nuts

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

2 products

Sealing Nuts

Prevent leaks and block out contaminants with a rubber seal

1 product

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

3 products

Press-Fit Nuts

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

35 products

Rivet Nuts

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

44 products

Weld Nuts

Weld to metal surfaces to add permanent threads

22 products

Clip-On Nuts

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

5 products

Threaded Inserts

Create new threads or repair stripped threads

154 products

Adhesive-Mount Nuts

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

12 products

Snap-In Nuts

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

8 products

Binding Barrel Posts

Pair with a cap or screw to create a custom low-profile fastener

9 products

Thread Adapters

Join threads of a different type, size, and gender

306 products

Studs

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

21 products

Thumb Screws

Tighten and loosen by hand without the need for tools

14 products

Standoffs

Separate, position, or connect components in assemblies

175 products

Press-Fit Nut Installation Tools

Everything you need to install press-fit nuts by hand

Install and remove blind, solid, hollow, and other types of rivets

1 product

Building and Machinery Hardware

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

33 products

Fabricating and Machining

T-Slot Nuts

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

3 products

Setup Studs

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

3 products

Power Transmission

Rod End Nuts

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

3 products

Precision Lead Screws and Nuts

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

8 products

Ball Screw Nuts

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

1 product

Lead Screw Collars

Position components and limit travel along a lead screw

2 products