7/8"-9 Nuts | McMaster-Carr

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System of Measurement

Thread Size

Material

Fastener Strength Grade/Class

Finish

Cadmium Yellow-Chromate Plated

Galvanized

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Nut Type

Hex Nut Profile

Width

Thread Spacing

Thread Type

Thread Direction

Height

Specifications Met

Performance

Locking Type

Fastener Strength Rating

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Thread Fit

ASME Interference Class 5

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Application

Threading

Threaded on Both Ends

DFARS Specialty Metals

Compliant

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Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

REACH

Drive Style

Thread Pitch

248 Products

Fastening and Joining

Hex Nuts

Handle most general fastening needs

64 products

Locknuts

Hold fasteners in place to prevent loosening from vibration

31 products

Flange Nuts

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

8 products

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

7 products

Square Nuts

Flat sides won’t spin in channels and square holes

4 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

Thread Adapters

Join threads of a different type, size, and gender

13 products

Threaded Inserts

Create new threads or repair stripped threads

26 products

Hex Head Screws

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

10 products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

8 products

Material Handling

Turnbuckles

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

5 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

3 products

Fabricating and Machining

T-Slot Nuts

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

12 products

T-Slot Bolts

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

10 products

Setup Studs

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

15 products

Fixture Kits

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

3 products

Building and Machinery Hardware

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

1 product