Grease Plugs | McMaster-Carr

Filter by

Shape

System of Measurement

Thread Size

Thread Type

UN/UNF (SAE Straight)

Pipe Size

Grease Fitting Style

Material

Stainless Steel

For Use With

Grease Fittings

Hydraulic Fluid

Gender

Thread Pitch

Overall Height

Hex Size

Thread Length

Height

Shank Type

Shank Length

Hole Diameter

0.23" to 0.235"

0.373" to 0.38"

5.6 mm to 5.7 mm

7.6 mm to 7.7 mm

Check Valve Type

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 3,999 psi

4,000 psi to 9,999 psi

10,000 psi or greater

Fitting Connection

Quick Disconnect

Screw Size

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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

DFARS Specialty Metals

How can we improve?

711 Products

Lubricating

Grease Fittings

Grease Fittings

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

Grease Fitting Caps

Grease Fitting Caps

Protect grease fittings from dirt, debris, and moisture

Grease Gun Tips

Grease Gun Tips

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

Grease Fitting Adapters

Grease Fitting Adapters

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

Grease Fitting Cleaning Tools

Grease Fitting Cleaning Tools

Flush out old grease, dirt, and debris from clogged fittings

Grease Fitting Manifolds

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

Grease Fitting Installation Tools

Grease Fitting Installation Tools

Tap to insert grease fittings in unthreaded holes

Grease Fitting Junction Blocks

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

Grease Gun Accessory Kits

Grease Gun Accessory Kits

Adapt and extend dispensing tips and install grease fittings with an assortment of tools

Grease Fitting Repair Tools

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

Oil Fittings

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

Grease Gun Tip Adapters

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

Grease Gun Couplers

Grease Gun Couplers

Extend the dispensing tip on grease guns to lubricate angled and hard-to-reach areas

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Grease Gun Swivels

Grease Gun Swivels

Move grease-dispensing guns in any direction without kinking the outlet hose

Fluid Handling

Pressure-Relief Valves

Pressure-Relief Valves

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

Breather Vents

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

Measuring and Inspecting

Thread Size Identifiers

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

Sealing

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

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