About Grease Fittings
Grease fittings are used to lubricate parts and assemblies. By applying pressure to a ball valve in the fitting, grease flows into the lubricating chamber but cannot flow out. A ball check in the fitting’s head prevents the ingress of dirt, dust and other contaminants. Most grease fittings are designed for use with grease guns, hand-held devices or automated systems that deliver lubrication via manual, pneumatic, or battery power. Grease fittings are available in different lengths and angles, and may turn off automatically to prevent excessive lubrication or damage to seals. There are many different types of products. Hydraulic fittings are available in threaded, thread-forming, drive or rivet styles. Grease fittings also include button-head, protruding, bayonet-style, and plug-and-elbow devices. Button-head grease fittings are designed for construction equipment and heavy-duty machinery. Protruding fittings should be used with revolving bearings.
Selecting grease fittings requires an analysis of product specifications such as overall length, shank length, wrench size, thread type, and materials of construction. Products that use English units are measured in inches or fractions of inches. Metric products are specified in millimeters (mm) or centimeters (cm). There are three major thread types for grease fittings: metric, taper or parallel, and unified. M5, M6, M7, M8 and M10 are common metric threads. British standard pipe (BSP), pipe thread fine (PTF), and national pipe thread fine (NPTF) fittings use tapered or parallel threads. Grease fittings that use unified national fine thread (UNF) are also available. Most grease fittings are made of carbon steel, mild steel, stainless steel, or brass. In terms of features, products may be case-hardened or plated with zinc for added durability or corrosion-resistance.
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Engineering Web: Grease Fittings
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ALEMITE G1823-1 Grease Fitting, Str, 1/4 In, PK10 ALEMITE G1823-1 Grease Fitting, Str, 1/4 In, PK10 > Fittings See Grainger Industrial Supply Profile & Catalog |
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ALEMITE Fittings ALEMITE Fittings JavaScript Disabled Your web browser does not have JavaScript enabled. See Grainger Industrial Supply Profile & Catalog |
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Section D : D.O.T. Air Brake Fittings, Valves, Tubing, and... Inverted Flare Fittings Compression Fittings Push-In Tube Fittings Air Brake Fittings Grease Fittings Barstock and Forged Pipe Fittings Garden Hose |
Part Numbers for Grease Fittings
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 3APD8 | Grainger Industrial Supply | GRAINGER APPROVED VENDOR | Grease Fittings | Fitting Adapter,90 Degree,PK 5 |
| 5PU13 | Grainger Industrial Supply | KINGFISHER | Grease Fittings | Grease Fitting,Str,OAL.93 In,PK10 |
| 5PU43 | Grainger Industrial Supply | GRAINGER APPROVED VENDOR | Grease Fittings | Grease Fitting,Str,OAL .50 In,PK10 |
| 3ANZ2 | Grainger Industrial Supply | KINGFISHER | Grease Fittings | Grease Fitting,Str,1/8-28,PK 10 |
| 3APD6 | Grainger Industrial Supply | GRAINGER APPROVED VENDOR | Grease Fittings | Fitting Adapter,Straight,PK 5 |
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