NPT Grease Fittings | McMaster-Carr

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248 Products

Lubricating

Grease Fittings

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

5 products

Grease Fitting Adapters

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

24 products

Grease Gun Tips

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

65 products

Grease Gun Nozzles

Replace nozzles on grease guns

101 products

Grease Gun Swivels

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

10 products

Grease Fitting Manifolds

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

3 products

Oil Fittings

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

8 products

Grease Dispensers

Connect to a grease gun, drum, or pail to deliver a controlled, constant flow of grease

17 products

Grease Gun Tip Adapters

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

1 product

Grease Fitting Repair Tools

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

1 product

Measuring and Inspecting

Thread Size Identifiers

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

1 product

Fluid Handling

Breather Vents

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

18 products

Manual On/Off Valves

Start and stop flow through a line

14 products