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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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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.
PTF and NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
Straight with Male Threads
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 NPTF Threads | |||||||||||
| 303 Stainless Steel | 45/64" | 9/32" | 3/16" | 43/64" | 5/8" | 10,000 | Ball | __ | 0000000 | 000000 | 000000 |
1/4 NPTF Threads | |||||||||||
| Zinc-Plated Steel | 53/64" | 27/64" | 27/64" | 5/8" | 5/8" | 6,000 | Plunger | __ | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 1 1/4" | 1/2" | 1/2" | 7/8" | 7/8" | 15,000 | Plunger | __ | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 53/64" | 13/32" | 1/4" | 43/64" | 5/8" | 10,000 | Ball | __ | 0000000 | 00000 | 00000 |
3/8 NPTF Threads | |||||||||||
| Zinc-Plated Steel | 61/64" | 31/64" | 31/64" | 3/4" | 5/8" | 6,000 | Plunger | __ | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 1 5/16" | 9/16" | 9/16" | 7/8" | 7/8" | 15,000 | Plunger | __ | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 59/64" | 1/2" | 1/2" | 3/4" | 5/8" | 10,000 | Ball | __ | 0000000 | 00000 | 00000 |
1/2 NPTF Threads | |||||||||||
| Zinc-Plated Steel | 1 1/16" | 1/2" | 1/2" | 7/8" | 7/8" | 15,000 | Plunger | __ | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 1 1/16" | 35/64" | 35/64" | 7/8" | 5/8" | 6,000 | Plunger | __ | 0000000 | 0000 | 0000 |
1/8 BSPP Threads | |||||||||||
| Zinc-Plated Steel | 14mm | 6mm | 6mm | 11mm | 10mm | 1,450 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 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 |
M6 × 1 mm Metric Threads | |||||||||||
| Zinc-Plated Steel | 14mm | 6mm | 6mm | 11mm | 10mm | 1,450 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 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 |
M8 × 1 mm Metric Threads | |||||||||||
| Zinc-Plated Steel | 14mm | 6mm | 6mm | 11mm | 10mm | 1,450 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 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 |
M10 × 1 mm Metric Threads | |||||||||||
| Zinc-Plated Steel | 14mm | 6mm | 6mm | 11mm | 10mm | 1,450 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
| 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 |
M12 × 1.5 mm Metric 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 |
M14 × 1.5 mm Metric Threads | |||||||||||
| Zinc-Plated Steel | 17mm | 6mm | 6mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
M16 × 1.5 mm Metric Threads | |||||||||||
| Zinc-Plated Steel | 18mm | 7mm | 7mm | 17mm | 16mm | 10,000 | Ball | DIN 3404 | 0000000 | 0000 | 0000 |
1/8 PTF-SAE Threads | |||||||||||
| Zinc-Plated Steel | 3/4" | 11/32" | 11/32" | 5/8" | 5/8" | 6,000 | Plunger | __ | 0000000 | 0000 | 0000 |
Straight with Female Threads
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Head Dia. | Max. Pressure, psi | Check Valve Type | 1-9 | 10-Up | |
1/8 NPTF Threads | ||||||||||
| Zinc-Plated Steel | 31/32" | 13/32" | 13/32" | 5/8" | 5/8" | 6,000 | Plunger | 0000000 | 00000 | 00000 |