Zinc Reducers | McMaster-Carr

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Pipe Size

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UN/UNF (SAE Straight)

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Quick-Disconnect Clamp

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For Use With

Grinders for Bits and Burs

Handheld Power Drills

Pedestal Grinder Wheels

Connects To

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Maximum Pressure @ Temperature

Length

Pressure Class

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Body Shape

Threading

Threaded on Both Ends

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

24,786 Products

Fluid Handling

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

5,572 products

Tube Fittings

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

1,787 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

9 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

9 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

40 products

Tube End Plugs

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

6 products

Hose Fittings

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

368 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

621 products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

287 products

Vacuum-Regulating Valves

Control the amount of air that a vacuum pump draws from your system to maintain vacuum levels

14 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

22 products

Diverting Valves

Redirect flow between ports

2 products

Air-Exhaust Valves

Vent or divert exhaust to speed up the operation of air cylinders, actuators, and other equipment

6 products

Fastening and Joining

Thread Adapters

Join threads of a different type, size, and gender

2,980 products

Threaded Inserts

Create new threads or repair stripped threads

3,633 products

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

488 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

20 products

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

3 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

1,823 products

Standoffs

Separate, position, or connect components in assemblies

6 products

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

36 products

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

49 products

Studs

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

13 products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

200 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

24 products

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

2 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

7 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

47 products

Raceway Reducers

Connect two different sizes of raceway

5 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

246 products

Transformers

Raise or lower voltage to meet the needs of an individual circuit

237 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

281 products

Logic Level Converters

Translate signals between development boards, sensors, and other components with different voltages

1 product

Power Converters

Connect power supplies to equipment that requires a different input voltage

50 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

67 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

7 products

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

15 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

29 products

Inductors

Resist changes in current to protect circuit board components from surges

15 products

Fuse Block Reducers

Adapt fuse blocks designed for large, high-amp fuses to hold small, low-amp fuses

8 products

EMI Filters

Shield electronics against electromagnetic interference from power supplies, motors, and lights

12 products

Power Transmission

Gear Boxes

Transmit rotary motion without changing speed, or reduce speed while increasing torque

167 products

Gear Box Shafts

Convert output drives from female to male

6 products

Gear Box Mounts

Secure gear boxes that can’t be attached directly to a machine or other surface

6 products

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

31 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

1,964 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

54 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Shear Couplings

Sever the connection between shafts when there's too much torque to protect parts from breaking

21 products

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

490 products

Compressed Air Filter/Regulator/Lubricators

Deliver clean, lubricated air at the desired pressure to a component in your line

98 products

Compressed Air Filter Elements

Replace filter elements for peak performance in removing solid particles, water droplets, and oil

1 product

Compressed Air Filters

Purge particles, oil, and other contaminants from air lines to prevent damaging equipment

351 products

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

217 products

Compressed Air Filter/Regulator Manifolds

Purify air from a single supply and distribute it to multiple locations

12 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

63 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

40 products

Compressed Air Regulator Locks

Lock over your regulator knob to prevent unwanted pressure changes

2 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

118 products

Rod Ends

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

6 products

Bearing Adapter Sleeves

Close gaps between your bearing and shaft for a tight fit

29 products

Torque Limiters

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

71 products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

103 products

Duct Noise Reducers

Muffle noise from high-velocity airflow and fans, blowers, and dust collectors

36 products

Facility and Grounds Maintenance

Water Hammer Arresters

Absorb shock of sudden shutoffs to prevent knocking noises in water pipes

22 products

Building and Machinery Hardware

Vibration-Damping Sheets and Tape

Stick to vibrating surfaces such as duct, between parts, or on floor joists to reduce noise

38 products

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

50 products

Sound Barrier Partitions

Stand in noisy areas to block and reflect sound

1 product

Vibration-Damping Coatings

Apply to irregularly shaped equipment and large areas to reduce noise from vibration

2 products

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

11 products

Ceiling Tiles

Create a new drop ceiling that allows access to pipes and wiring

36 products

Ceiling Tile Sound Barriers

Lay over ceiling tiles to block sound

1 product

Access Panels

Install in ceilings, walls, concrete floors, and tanks to access and inspect inside

7 products

Fabricating and Machining

Grinding Wheel Reducer Bushings

Connect grinding wheels to shanks with a smaller diameter

3 products

Saw Blade Arbor Adapters

Convert a diamond arbor hole to a round arbor hole

1 product

Saw Blade Bushings

Shrink the diameter of your saw blade's arbor hole to fit your saw's arbor

7 products

Wheel Brush Arbor Hole Reducers

Adjust arbor hole size so it'll fit the shaft of your tool

9 products

Flap Wheel Arbor Hole Reducers

Reduce the arbor hole size on flap wheels so they'll fit the shaft of your tool

2 products

Material Handling

Wheel Reducer Bushings

Reduce the inside diameter of a bearing to fit a particular axle size

21 products

Box Reducers

Cut tall boxes down to the size you need and save on shipping costs

2 products

Safety Equipment

Respirator Filter Monitors

Track the quality of incoming air as it travels from your air line to your respirator

2 products