UNF Male | McMaster-Carr

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10,391 Products

Most Likely Products

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

193 products

Tube Fittings

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

1,137 products

Thread Adapters

Join threads of a different type, size, and gender

29 products

Socket Head Screws

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

1,034 products

Hose Fittings

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

83 products

All Results

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

193 products

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

60 products

Rotary Unions

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

76 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

2 products

Tube Fittings

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

1,137 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

4 products

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

25 products

Tube End Cap and Plug Kits

Cover or insert into the ends of tube fittings to keep out dirt and debris

1 product

Hose Fittings

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

83 products

Hose Fitting Nuts

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

5 products

Hose

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

3 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

4 products

On-Off Valves

Start and stop flow through a line

8 products

Air Valves

Fill tanks, tires, and other pressurized equipment

2 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

17 products

Orifice Valves

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

6 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids though a line

2 products

Spray Nozzles

Clean, rinse, and apply coatings with pressurized liquid

2 products

Thermocouple and RTD Fittings

Alter probe immersion depth or adapt unthreaded connections for use with threaded tanks and heads

2 products

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

18 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

2 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

6 products

Mufflers

Reduce noise and filter exhaust fumes

5 products

Fastening and Joining

Socket Head Screws

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

1,034 products

Hex Head Screws

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

1,275 products

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

1,459 products

Set Screws

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

975 products

Flat Head Screws

Fit in countersunk holes for a flush finish

909 products

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

77 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

779 products

Thumb Screws

Tighten and loosen by hand without the need for tools

236 products

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

94 products

Studs

Press, weld, or screw in place to add a threaded fastening point

54 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

50 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

19 products

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

4 products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

13 products

Thread Adapters

Join threads of a different type, size, and gender

29 products

Threaded Rods

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

978 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

47 products

Binding Barrels and Screws

Thread together for a low-profile fastener

10 products

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

22 products

Lubricating

Grease Fitting Adapters

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

7 products

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

30 products

Grease Gun Nozzles

Replace nozzles on grease guns

1 product

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

2 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

28 products

Leveling Mounts

Level machines and workbenches on uneven surfaces, reduce vibration, and protect floors

100 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

9 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

8 products

Power Transmission

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

18 products

Containers, Storage, and Furniture

Drum Faucets

Control the flow of liquid from drums, tanks, carboys, and other containers

1 product

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

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

2 products

Material Handling

Wire Rope End Fittings

Finish wire rope ends with threaded stud, eye, clevis, ball, hook, and other connections

32 products

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

33 products

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valves

Tap into refrigerant lines to drain and fill your system

15 products