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About Grease Fitting Threads
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Grease Fitting Adapters
When the size or thread type of a fitting doesn't match an existing opening, use these adapters to make the connection.
Zinc-plated steel adapters have mild corrosion resistance. 303 stainless steel adapters are more corrosion resistant than zinc-plated steel adapters and have good chemical resistance.
PTF and NPTF (Dryseal) threads are compatible with NPT threads. UNF threads are similar to threads on a machine screw or bolt. They require a sealant, such as an O-ring, to minimize leakage. SAE-LT threads are tapered but designed to be installed into a 1/4"-28 straight-thread UNF hole.
For technical drawings and 3-D models, click on a part number.
Connection | ||||
|---|---|---|---|---|
| Male | Female | Material | Each | |
| UNF 1/4"-28 | NPT 1/8 | Steel | 0000000 | 00000 |
| SAE-LT 1/4"-28 | NPTF 1/8 | Zinc-Plated Steel | 0000000 | 0000 |
| SAE-LT 1/4"-28 | NPTF 1/8 | 303 Stainless Steel | 0000000 | 00000 |
| Metric M6 × 1 mm | UNF 1/4"-28 | Zinc-Plated Steel | 0000000 | 0000 |
| Metric M8 × 1 mm | UNF 1/4"-28 | Zinc-Plated Steel | 0000000 | 0000 |
| Metric M10 × 1 mm | UNF 1/4"-28 | Zinc-Plated Steel | 0000000 | 0000 |
Grease Fitting Dust Caps
Keep standard grease fittings free of dirt and moisture.
For technical drawings and 3-D models, click on a part number.
Pkg. | |||||||
|---|---|---|---|---|---|---|---|
| Color | Material | Cap ID | Pkg. Qty. | Eye Dia. | 1-9 | 10-Up | |
1" Overall Lg. | |||||||
| Black | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 00000 | 00000 |
| Blue | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 0000 | 0000 |
| Green | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 0000 | 0000 |
| Red | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 0000 | 0000 |
| White | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 0000 | 0000 |
| Yellow | Polyethylene Plastic | 15/64" | 50 | 15/64" | 0000000 | 0000 | 0000 |
2" Overall Lg. | |||||||
| Black | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
| Blue | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
| Green | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
| Red | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
| White | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
| Yellow | Polyethylene Plastic | 15/64" | 50 | 25/64" | 0000000 | 00000 | 0000 |
Grease Fitting Cleaning Tools
Fill these tools with light oil, then tap with a hammer to open clogged fittings. The tapping action forces oil through the fitting and removes contamination from bearings, joints, and other parts. Use the included extension hose for hard-to-reach fittings.
| Material | Lg. | Hose Lg. | Includes | Each | |
| Steel | 8 1/4" | 5" | Rubber Extension Hose, Extra Dispensing Tip, Plastic Case | 000000 | 000000 |
