5/8"-18 Adapters | McMaster-Carr

Filter by

System of Measurement

Thread Size

Gender

Fitting Type

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Pipe Size

For Use With

Hydraulic Fluid

Connects To

Shape

Material

Stainless Steel

Fitting Connection

Push to Connect

Tube OD

Flare Style

Internal Flared

Hose ID

Tube Material

Polyurethane Rubber

Export Control Classification Number (ECCN)

Maximum Pressure @ Temperature

90 psi @ 72° F

150 psi @ 72° F

200 psi @ 72° F

250 psi @ 72° F

270 psi @ 72° F

300 psi @ 72° F

500 psi @ 72° F

650 psi @ 72° F

750 psi @ 72° F

1,000 psi @ 72° F

2,250 psi @ 72° F

3,000 psi @ 72° F

5 psi @ 125° F

For Tap Thread Size

CGA Number

Thread Direction

Gas Fitting Size

Threading

Partially Threaded

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

How can we improve?

379 Products

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Hose Fitting Nuts

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

On-Off Valves

Start and stop flow through a line

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Weld Nuts

Weld to metal surfaces to add permanent threads

Power Transmission

Air Cylinder Mounts

Air Cylinder Mounts

Secure air cylinders to surfaces with brackets, rod clevises, and flanges

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

Lubricating

Coolant Dispenser Hose and Fittings

Coolant Dispenser Hose and Fittings

Snap together and position to deliver coolant, oil, water, or air in any direction

Fabricating and Machining

Slide Hammer Adapters for Locking Pliers

Slide Hammer Adapters for Locking Pliers

Attach your locking pliers to a slide hammer to pull stubborn objects

Gear and Bearing Puller Forcing Screws

Gear and Bearing Puller Forcing Screws

Replace forcing screws on gear and bearing pullers

Building and Machinery Hardware

Mechanical Control Cables

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

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