Material Material |
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Type Type |
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 | Adapter |
System of Measurement System of Measurement |
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Pipe Size Pipe Size |
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Gender Gender |
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For Use With For Use With |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Finish Finish |
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Thread Direction Thread Direction |
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Threading Threading |
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 | Fully Threaded |
 | Partially Threaded |
DFARS (Defense Acquisition Regulations Supplement) DFARS (DefenseAcquisition Regulations Supplement) |
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Coupling Nut Profile Coupling Nut Profile |
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Thread Fit Thread Fit |
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Drive Style Drive Style |
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 | External Hex |
Thread Spacing Thread Spacing |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Nuts, Materials, and Finishes
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Compact Extreme-Pressure Steel Threaded Pipe Fittings
These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are galvanized steel, which has fair corrosion resistance. BSPP and metric male threads have a gasket and washer to prevent leaks.
For technical drawings and 3-D models, click on a part number.
(SAE) Male Threads
with Gasket and Washer
- For Use With: See table
- Specifications Met: See table
| Pipe Size (A) | Dash Size (A) | Thread Size (B) | Max. Pressure | For Use With | Specifications Met | Each | |
BSPP Male × Metric Male | |||||||
|---|---|---|---|---|---|---|---|
| 3/4 | 12 | M24 × 1.5 mm | 3,500 psi @ 72° F | Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Oil, Water | DIN 7631, ISO 1179, ISO 6149, ISO 8434-6, ISO 9974 | 00000000 | 000000 |
Plastic Barbed Tube Fittings for Air and Water
Fittings have multiple barbs that grip onto tubing.
Nylon fittings have excellent impact and abrasion resistance.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: See table
- Tubing: Semi-Clear: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Opaque: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Thread Size | Material | Color | Clarity | Max. Pressure | Temp. Range, °F | Pkg. Qty. | Pkg. | |
Metric Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | M24 × 2 mm | Nylon Plastic | Gray | Opaque | 145 psi @ 72° F | -40° to 190° | 10 | 00000000 | 000000 |
Metric Low-Strength Steel Coupling Nuts
Often referred to as extension nuts, use these to connect and extend threaded rods. They're about half the strength of medium-strength steel coupling nuts for use in light duty fastening applications.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
Black-oxide steel coupling nuts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Metric Medium-Strength Steel Coupling Nuts—Class 8
Often referred to as extension nuts, use these to connect and extend threaded rods. They're comparable in strength to Class 8.8 bolts.
Zinc-plated steel coupling nuts resist corrosion in wet environments.
Black-oxide steel coupling nuts have a dark surface color and are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Metric 18-8 Stainless Steel Coupling Nuts
Made from 18-8 stainless steel, these metric coupling nuts have good chemical resistance and may be mildly magnetic. Also known as extension nuts, use them to connect and extend threaded rods.
Coupling nuts with a black-oxide finish have a dark surface color.
For technical drawings and 3-D models, click on a part number.
Metric Super-Corrosion-Resistant
316 Stainless Steel Coupling Nuts
Made from 316 stainless steel, these coupling have excellent resistance to chemicals and salt water. Also known as extension nuts, use them to connect and extend threaded rods. They may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Thread | Each | ||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg., mm | Wd., mm | Specifications Met | 1-9 | 10-Up | |
316 Stainless Steel | |||||||
| M24 | 3 | 72 | 36 | DIN 6334 | 000000000 | 000000 | 000000 |
Brass Coupling Nuts
These coupling nuts are corrosion resistant in wet environments, electrically conductive, and nonmagnetic. Also known as extension nuts, use them to connect and extend threaded rods.
For technical drawings and 3-D models, click on a part number.
Each | |||||
|---|---|---|---|---|---|
| Thread Size | Lg., mm | Wd., mm | 1-9 | 10-Up | |
Brass | |||||
| M24 | 72 | 36 | 000000000 | 000000 | 000000 |
Stainless Steel Extra-Long Coupling Nuts
These coupling nuts have good chemical resistance. Also known as sleeve nuts, they're at least twice the length of standard coupling nuts to provide more room to connect and extend long lengths of threaded rods.
For technical drawings and 3-D models, click on a part number.
Thread | Each | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg., mm | Wd., mm | Threading | Min. Thread Lg., mm | 1-9 | 10-Up | |
18-8 Stainless Steel | ||||||||
| M24 | 3 | 144 | 41 | Partially Threaded | 24 | 000000000 | 0000000 | 0000000 |