3/4"-10 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Material

Fastener Strength Grade/Class

Nut Type

Hex Nut Profile

Finish

Cadmium Yellow-Chromate Plated

Chrome Plated

Corrosion-Resistant Coated

Galvanized

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Width

Thread Direction

Thread Spacing

Thread Type

Specifications Met

Federal Specification

NASM21209

SAE J995

Fastener Strength Rating

Performance

Locking Type

Threading

Threaded on Both Ends

Length

REACH

Thread Fit

ASME Interference Class 5

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

RoHS

Compliant

Compliant with Exemptions

Color

DFARS Specialty Metals

Application

Export Control Classification Number (ECCN)

Flange Diameter

509 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

101 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

49 products

Flange Nuts

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

25 products

Coupling Nuts

Connect and extend threaded rods

28 products

Cap Nuts

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

15 products

Square Nuts

Flat sides won’t spin in channels and square holes

8 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

6 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

2 products

Split Nuts

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

2 products

Socket Nuts

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

2 products

Weld Nuts

Weld to metal surfaces to add permanent threads

1 product

Push Nuts

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

1 product

Threaded Inserts

Create new threads or repair stripped threads

30 products

Thread Adapters

Join threads of a different type, size, and gender

59 products

Power Transmission

Lead Screws and Nuts

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

33 products

Fabricating and Machining

T-Slot Nuts

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

15 products

T-Slot Bolts

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

32 products

Setup Studs

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

35 products

Fixturing Kits

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

8 products

Lathe Chuck Jaw Nuts

Secure jaws to a CNC lathe chuck

1 product

Building and Machinery Hardware

Machine Handles

Arms give you extra leverage to secure and position jigs, fixtures, and other equipment

1 product

Handle Nuts

Attach to threaded shafts to quickly turn the shafts by hand

5 products

Strut Channel Framing and Fittings

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

4 products

Leveling Mount Inserts

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

8 products

Material Handling

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

13 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

7 products