9/16"-18 Fasteners | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Material

Stainless Steel

Threading

Partially Threaded

Fastener Strength Grade/Class

Nut Type

Externally Threaded

Thread Type

Metric Trapezoidal

Finish

Aluminum Plated

Cadmium Yellow-Chromate Plated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Fastener Head Type

Thread Direction

Right Hand and Left Hand

Thread Spacing

Component

Installation Tool

Thread Fit

Metric Class 6H

Metric Trapezoidal Class 7H

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Thread Pitch

DFARS Specialty Metals

Drive Style

External 12-Point

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

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

Specifications Met

Tensile Strength

10,000 psi to 19,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Head Width

Hex Nut Profile

Width

How can we improve?

247 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Hex Nuts

Handle most general fastening needs

Flange Nuts

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

Locknuts

Hold fasteners in place to prevent loosening from vibration

Lug Nuts

Secure pneumatic wheels to axles

Cap Nuts

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

Coupling Nuts

Connect and extend threaded rods

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Threaded Rods

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

Threaded Insert Installation Tools

Threaded Insert Installation Tools

Install helical, key-locking, slotted-drive, and other threaded inserts

Power Transmission

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

Shock Absorber Mounting Nuts

Shock Absorber Mounting Nuts

Secure shock absorbers after threading them into mounting blocks

Fluid Handling

Hose Crimpers

Crimp ferrules onto hose to secure fittings

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Tube Fitting Nuts

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)