Material Material |
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Grease Fitting Style Grease Fitting Style |
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 |  |
| Standard | Button Head |
For Use With For Use With |
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Check Valve Type Check Valve Type |
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Maximum Pressure Maximum Pressure |
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Finish Finish |
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Shank Type Shank Type |
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Thread Pitch Thread Pitch |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Grease Fitting Threads
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Grease Fittings
These fittings are also known as hydraulic grease fittings.
Zinc-plated steel fittings have mild corrosion resistance. 303 stainless steel fittings are more corrosion resistant than brass fittings and have good chemical resistance.
Fittings with a check valve prevent grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
For technical drawings and 3-D models, click on a part number.
Male
Threads
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Specifications Met | Pkg. Qty. | 1-9 | 10-Up | |
1/8 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 15mm | 5.5mm | 5.5mm | 11mm | 10,000 | Ball | DIN 71412 | 10 | 0000000 | 00000 | 00000 |
| 303 Stainless Steel | 15mm | 5.8mm | 5.8mm | 11mm | 8,000 | Ball | DIN 71412 | 5 | 0000000 | 00000 | 00000 |
1/4 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 20mm | 8.4mm | 8.4mm | 14mm | 8,000 | Ball | DIN 71412 | 10 | 0000000 | 00000 | 00000 |
| 303 Stainless Steel | 20mm | 8.4mm | 8.4mm | 14mm | 8,000 | Ball | DIN 71412 | 1 | 0000000 | 00000 | 0000 |
5/16"-22 BSF Threads | |||||||||||
| Zinc-Plated Steel | 15mm | 5.5mm | 5.5mm | 9mm | 10,000 | Ball | DIN 71412 | 10 | 0000000 | 0000 | 0000 |
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Thread Lg. | Shank Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Specifications Met | Pkg. Qty. | 1-9 | 10-Up | |
1/8 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 20mm | 5.5mm | 5.5mm | 11mm | 10,000 | Ball | DIN 71412 | 10 | 0000000 | 00000 | 00000 |
| 303 Stainless Steel | 19mm | 5.5mm | 5.5mm | 11mm | 8,000 | Ball | DIN 71412 | 1 | 0000000 | 0000 | 0000 |
1/4 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 22mm | 6.5mm | 6.5mm | 14mm | 10,000 | Ball | DIN 71412 | 5 | 0000000 | 00000 | 0000 |
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Thread Lg. | Shank Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Specifications Met | Pkg. Qty. | 1-9 | 10-Up | |
1/8 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 25mm | 5.5mm | 5.5mm | 11mm | 10,000 | Ball | DIN 71412 | 10 | 0000000 | 00000 | 00000 |
| 303 Stainless Steel | 23mm | 5.5mm | 5.5mm | 11mm | 8,000 | Ball | DIN 71412 | 1 | 0000000 | 0000 | 0000 |
1/4 BSPT Threads | |||||||||||
| Zinc-Plated Steel | 23mm | 6.5mm | 6.5mm | 14mm | 10,000 | Ball | DIN 71412 | 5 | 0000000 | 00000 | 0000 |
Button-Head Grease Fittings
Often used on earth movers, mining equipment, and other heavy machinery, these fittings have a T-shaped top that holds the dispensing tip in place so it won’t pop off when adding grease. An integral check valve prevents grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants.
Zinc-plated steel fittings have mild corrosion resistance.
303 stainless steel fittings are more corrosion resistant than zinc-plated steel fittings and have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Head Dia. | Max. Pressure, psi | Check Valve Type | Specifications Met | 1-9 | 10-Up | |
1/8 BSPP Threads | |||||||||||
| Zinc-Plated Steel | 14mm | 6mm | 6mm | 11mm | 10mm | 1,450 | Ball | DIN 3404 | 0000000 | 00000 | 00000 |
| Zinc-Plated Steel | 17mm | 6mm | 6mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 17mm | 6mm | 6mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 00000 | 00000 |
1/4 BSPP Threads | |||||||||||
| Zinc-Plated Steel | 17mm | 6mm | 6mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 17mm | 6mm | 6mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 00000 | 00000 |
3/8 BSPP Threads | |||||||||||
| Zinc-Plated Steel | 18mm | 7mm | 7mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
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.
Brass adapters are more corrosion resistant than zinc-plated steel adapters.
For technical drawings and 3-D models, click on a part number.
Connection | ||||
|---|---|---|---|---|
| Male | Female | Material | Each | |
| BSPP 1/8 | NPT 1/8 | Steel | 00000000 | 000000 |
| BSPP 1/4 | NPT 1/8 | Steel | 00000000 | 00000 |
| BSPP 1/4 | NPT 1/4 | Steel | 00000000 | 00000 |
| BSPP 1/4 | BSPP 1/8 | Steel | 00000000 | 0000 |
| BSPP 3/8 | NPT 3/8 | Steel | 00000000 | 00000 |
| BSPT 1/8 | NPT 1/8 | Brass | 00000000 | 00000 |
| BSPT 1/8 | NPT 1/8 | Steel | 00000000 | 00000 |
| BSPT 1/8 | Metric M10 ×1mm | Brass | 00000000 | 00000 |
| BSPT 1/4 | NPT 1/4 | Brass | 00000000 | 00000 |
| Metric M8 × 1 mm | BSPT 1/8 | Brass | 00000000 | 00000 |