For Hole Diameter For Hole Diameter |
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Check Valve Type Check Valve Type |
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Material Material |
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Overall Height Overall Height |
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Maximum Pressure Maximum Pressure |
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About Grease Fitting Threads
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Grease Fittings for Unthreaded Holes
Drive these fittings into unthreaded holes with a hammer and grease fitting installation tool (sold separately). They're also known as hydraulic grease fittings.
Fittings with a serrated shank have a tighter grip than those with a smooth shank for a more secure fit in old or oversized holes.
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.
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.
Pkg. | |||||||
|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
For 1/8" Hole Dia. | |||||||
| Zinc-Plated Steel | 15/32" | 5/32" | Without Valve | 10 | 0000000 | 00000 | 00000 |
| Zinc-Plated Steel | 9/16" | 1/4" | Without Valve | 10 | 0000000 | 0000 | 0000 |
For 3/16" Hole Dia. | |||||||
| Zinc-Plated Steel | 25/64" | 3/32" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 15/32" | 11/64" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 31/64" | 7/32" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 33/64" | 1/4" | Ball | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 5/8" | 1/4" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 1/2" | 7/32" | Ball | 5 | 0000000 | 00000 | 00000 |
For 1/4" Hole Dia. | |||||||
| Zinc-Plated Steel | 15/32" | 1/8" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 35/64" | 1/4" | Ball | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 9/16" | 17/64" | Without Valve | 10 | 0000000 | 0000 | 0000 |
| 303 Stainless Steel | 1/2" | 7/32" | Ball | 5 | 0000000 | 00000 | 00000 |
For 5/16" Hole Dia. | |||||||
| Zinc-Plated Steel | 35/64" | 1/4" | Ball | 10 | 0000000 | 0000 | 0000 |
| Zinc-Plated Steel | 5/8" | 7/32" | Without Valve | 10 | 0000000 | 0000 | 0000 |
For 3/8" Hole Dia. | |||||||
| Zinc-Plated Steel | 21/32" | 1/4" | Ball | 10 | 0000000 | 0000 | 0000 |
Pkg. | |||||||
|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
For 7/16" Hole Dia. | |||||||
| Zinc-Plated Steel | 55/64" | 9/32" | Ball | 1 | 0000000 | 00000 | 00000 |
For 6mm Hole Dia. | |||||||
| Zinc-Plated Steel | 15mm | 5.5mm | Ball | 10 | 0000000 | 0000 | 0000 |
For 8mm Hole Dia. | |||||||
| Zinc-Plated Steel | 15mm | 5.5mm | Ball | 10 | 0000000 | 0000 | 0000 |
For 10mm Hole Dia. | |||||||
| Zinc-Plated Steel | 15mm | 5.5mm | Ball | 10 | 0000000 | 0000 | 0000 |
Pkg. | ||||||||
|---|---|---|---|---|---|---|---|---|
| Material | Overall Ht. | Shank Lg. | Hex Size | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
For 3/16" Hole Dia. | ||||||||
| Zinc-Plated Steel | 53/64" | 7/32" | 7/16" | Ball | 10 | 0000000 | 000000 | 000000 |
Self-Tapping Grease Fittings for Unthreaded Holes
Ensure a secure fit in unthreaded holes—these fittings cut threads as they’re installed. Install with a hex wrench. Fittings can be driven in, but then are not pressure rated. They're zinc-plated steel for mild corrosion resistance. All have an integral check valve that prevents grease from leaking when pressure causes backward flow. The valve stays closed when not in use to keep out dirt and other contaminants. These fittings are also known as hydraulic grease fittings.
PTF (Dryseal) threads are compatible with NPT threads. SAE-LT threads are tapered.
For technical drawings and 3-D models, click on a part number.
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
1/8 PTF Threads | |||||||||||
| 0.373-0.38" | Zinc-Plated Steel | 5/8" | 15/64" | 15/64" | 7/16" | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
1/4"-28 SAE-LT Threads | |||||||||||
| 0.23-0.235" | Zinc-Plated Steel | 1/2" | 5/64" | 5/64" | 9/32" | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
| 0.23-0.235" | Zinc-Plated Steel | 37/64" | 13/64" | 13/64" | 5/16" | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
M6 × 1 mm Metric Threads | |||||||||||
| 5.6-5.7mm | Zinc-Plated Steel | 14mm | 5.5mm | 5.5mm | 7mm | 8,000 | Ball | 10 | 0000000 | 0000 | 0000 |
| 5.6-5.7mm | Zinc-Plated Steel | 15mm | 5.5mm | 5.5mm | 7mm | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
M8 × 1 mm Metric Threads | |||||||||||
| 7.6-7.7mm | Zinc-Plated Steel | 15mm | 5.5mm | 5.5mm | 9mm | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
M10 × 1 mm Metric Threads | |||||||||||
| 9.6-9.7mm | Zinc-Plated Steel | 15mm | 5.5mm | 5.5mm | 11mm | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
Pkg. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Square Size | Max. Pressure, psi | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
1/8 PTF Threads | ||||||||||||
| 0.373-0.38" | Zinc-Plated Steel | 49/64" | 13/64" | 13/64" | 7/16" | __ | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
1/4"-28 SAE-LT Threads | ||||||||||||
| 0.23-0.235" | Zinc-Plated Steel | 3/4" | 13/64" | 13/64" | 3/8" | __ | 10,000 | Ball | 10 | 0000000 | 0000 | 0000 |
M6 × 1 mm Metric Threads | ||||||||||||
| 5.6-5.7mm | Zinc-Plated Steel | 18mm | 5.5mm | 5.5mm | __ | 9mm | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
M8 × 1 mm Metric Threads | ||||||||||||
| 7.6-7.7mm | Zinc-Plated Steel | 18mm | 5.5mm | 5.5mm | __ | 9mm | 10,000 | Ball | 5 | 0000000 | 0000 | 0000 |
M10 × 1 mm Metric Threads | ||||||||||||
| 9.6-9.7mm | Zinc-Plated Steel | 18mm | 5.5mm | 5.5mm | __ | 11mm | 10,000 | Ball | 5 | 0000000 | 0000 | 0000 |
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
1/8 PTF Threads | |||||||||||
| 0.373"-0.38" | Zinc-Plated Steel | 3/4" | 13/64" | 13/64" | 7/16" | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
Pkg. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Square Size | Max. Pressure, psi | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
1/4"-28 SAE-LT Threads | ||||||||||||
| 0.23-0.235" | Zinc-Plated Steel | 13/16" | 13/64" | 13/64" | 3/8" | __ | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
M6 × 1 mm Metric Threads | ||||||||||||
| 5.6-5.7mm | Zinc-Plated Steel | 20mm | 5.5mm | 5.5mm | __ | 9mm | 10,000 | Ball | 10 | 0000000 | 00000 | 00000 |
M8 × 1 mm Metric Threads | ||||||||||||
| 7.6-7.7mm | Zinc-Plated Steel | 20mm | 5.5mm | 5.5mm | __ | 9mm | 10,000 | Ball | 5 | 0000000 | 0000 | 0000 |
M10 × 1 mm Metric Threads | ||||||||||||
| 9.6-9.7mm | Zinc-Plated Steel | 20mm | 5.5mm | 5.5mm | __ | 11mm | 10,000 | Ball | 5 | 0000000 | 0000 | 0000 |
Flush-Style Grease Fittings for Unthreaded Holes
Use these fittings in tight spaces where protruding fittings won’t work. Drive them into unthreaded holes with a hammer and grease fitting installation tool (sold separately). They’re zinc-plated steel for mild corrosion resistance. 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.
For technical drawings and 3-D models, click on a part number.
Pkg. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Head Dia. | Max. Pressure | Check Valve Type | Pkg. Qty. | 1-9 | 10-Up | |
| 3/16" | Zinc-Plated Steel | 3/8" | 5/16" | 1/4" | Not Rated | Ball | 5 | 0000000 | 00000 | 00000 |
Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Head Dia. | Max. Pressure, psi | Check Valve Type | Specifications Met | Pkg. Qty. | 1-9 | 10-Up | |
| 1/4" | Zinc-Plated Steel | 9/32" | 15/64" | 5/16" | Not Rated | Ball | __ | 5 | 0000000 | 000000 | 000000 |
| 5/16" | Zinc-Plated Steel | 11/32" | 9/32" | 3/8" | Not Rated | Ball | __ | 5 | 0000000 | 0000 | 0000 |
| 5mm | Zinc-Plated Steel | 7.5mm | 5.5mm | 5mm | Not Rated | Ball | __ | 5 | 0000000 | 0000 | 0000 |
| 6mm | Zinc-Plated Steel | 7.5mm | 5.5mm | 5.5mm | 10,000 | Ball | DIN 3405 | 5 | 0000000 | 0000 | 0000 |
| 8mm | Zinc-Plated Steel | 9.5mm | 6.5mm | 6.5mm | 10,000 | Ball | DIN 3405 | 5 | 0000000 | 0000 | 0000 |
| 10mm | Zinc-Plated Steel | 9.5mm | 6.5mm | 6.5mm | 10,000 | Ball | DIN 3405 | 3 | 0000000 | 0000 | 0000 |
Self-Tapping Flush-Style Grease
Fittings for Unthreaded Holes
Ensure a secure fit in unthreaded holes—these fittings cut threads as they’re installed. Use them in tight spaces where protruding fittings won't work. Install with a hex wrench. Fittings can be driven in, but then are not pressure rated. They’re zinc-plated steel for mild corrosion resistance. 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.
For technical drawings and 3-D models, click on a part number.
Pkg. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hole Dia. | Material | Overall Ht. | Shank Lg. | Thread Lg. | Hex Size | Max. Pressure, psi | Check Valve Type | Specifications Met | Pkg. Qty. | 1-9 | 10-Up | |
Straight with Male Threads | ||||||||||||
M6 × 1 mm Metric Threads | ||||||||||||
| 5.6-5.7 mm | Zinc-Plated Steel | 8.5 mm | 5.5 mm | 5.5 mm | 7 mm | 10,000 | Ball | DIN 3405 | 5 | 0000000 | 00000 | 00000 |
M8 × 1 mm Metric Threads | ||||||||||||
| 7.6-7.7 mm | Zinc-Plated Steel | 8.5 mm | 5.5 mm | 5.5 mm | 9 mm | 10,000 | Ball | DIN 3405 | 3 | 0000000 | 0000 | 0000 |
M10 × 1 mm Metric Threads | ||||||||||||
| 9.6-9.7 mm | Zinc-Plated Steel | 8.5 mm | 5.5 mm | 5.5 mm | 11 mm | 10,000 | Ball | DIN 3405 | 1 | 0000000 | 0000 | 0000 |
V-Belts
