UNF Couplings | McMaster-Carr

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System of Measurement

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Length

Material

Stainless Steel

Nut Type

Externally Threaded

With Sight Hole

Threading

Partially Threaded

Threaded on Both Ends

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Thread Spacing

Gender

Fastener Strength Grade/Class

Thread Direction

Finish

Height

Coupling Nut Profile

Fastener Strength Rating

OD

Shape

Thread Length

Performance

Corrosion Resistant

Thread Fit

Metric Trapezoidal Class 7H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

Drive Style

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627 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Fluid Handling

Pipe and Fittings

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

Rotary Joints

Transfer air, water, oil, and steam from supply lines to continuously revolving drums and rollers

Tube Fittings

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

Hose Fittings

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

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

On-Off Valves

Start and stop flow through a line

Power Transmission

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

Torque Limiters

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

Lubricating

Grease Gun Tips

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

Electrical

Metric Circular Receptacles

Metric Circular Receptacles

Install in walls and panels and pair with plugs to make metric connections

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