Thread Size Thread Size |
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Finish Finish | Show |
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Finish Finish | Hide |
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Body Style Body Style |
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 | Eye Nut |
Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Type Type |
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 | Locknut |
Hex Nut Profile Hex Nut Profile |
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 | Standard |
Nut Type Nut Type |
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Vertical Capacity Vertical Capacity |
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Length Length |
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Application Application |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Threading Threading |
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 | Fully Threaded |
Eye Shape Eye Shape |
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Hex Width Hex Width |
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For Use With For Use With |
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For Turnbuckle Material For Turnbuckle Material |
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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 Turnbuckles and End Fittings
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Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings
The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
NPSC (National Pipe Straight Coupling) threads and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Steam, Oil, Water, Natural Gas
- Class: 150
- Specifications Met: ANSI/ASME B16.14
- Pipe Nipples and Pipe: Use Schedule 40 galvanized steel
- Flanges: Use Class 150 galvanized steel
Extreme-Pressure Steel Threaded Pipe Fittings
The strongest steel fittings we offer, these can withstand extreme-pressure applications.
Galvanized and zinc-plated steel fittings have better corrosion resistance than plain steel fittings. PTFE-coated steel fittings have better corrosion resistance than galvanized and zinc-plated steel fittings.
Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Hydraulic Fluid, Natural Gas, Oil, Steam, Water
- Temperature Range: -100° to 500° F
- Pipe Nipples and Pipe: Use Schedule XXH steel
- Flanges: Use Class 1500 steel
| Pipe Size | Dash Size | Max. Pressure | Max. Steam Pressure | Material | Each | |
NPT Female | ||||||
|---|---|---|---|---|---|---|
| 1/8 | 02 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1/4 | 04 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 3/8 | 06 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1/2 | 08 | 10,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 3/4 | 12 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 | 16 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 1/4 | 20 | 5,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 00000 |
| 2 | 32 | 3,000 psi @ 72° F | 5,000 psi @ 500° F | Galvanized Steel | 0000000 | 000000 |
Jam Nuts for Turnbuckles
Tighten these nuts against the turnbuckle body to prevent the end fitting from unscrewing.
| Thread Size | Wd. | Ht. | Includes | Each | |
Grade 2 Galvanized Steel | |||||
|---|---|---|---|---|---|
| 1/4"-20 | 7/16" | 5/32" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 00000 |
| 5/16"-18 | 1/2" | 3/16" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 0000 |
| 3/8"-16 | 9/16" | 7/32" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 0000 |
| 1/2"-13 | 3/4" | 5/16" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 0000 |
| 5/8"-11 | 15/16" | 25/64" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 0000 |
| 3/4"-10 | 1 1/8" | 27/64" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 0000 |
| 7/8"-9 | 1 19/64" | 31/64" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 00000 |
| 1"-8 | 1 15/32" | 35/64" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 00000000 | 00000 |
| 1 1/2"-6 | 2 1/4" | 27/32" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 000000000 | 00000 |
| 1 1/4"-7 | 1 7/8" | 23/32" | One Left-Hand Threaded Jam Nut, One Right-Hand Threaded Jam Nut | 000000000 | 00000 |
Eye Nuts—For Lifting
Create your own lifting eye by adding an eye nut to a stud or bolt.
Galvanized steel eye nuts have a hot-dipped finish for more corrosion resistance than zinc-plated steel.
Note: Capacity applies to the eye nut only. The stud or bolt you use will affect the overall capacity. Eye nuts are for vertical lifting only.
Warning: Never use to lift people or items over people.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Overall Lg. | Eye Dia. | Vertical Capacity, lbs. | Each | ||
Galvanized Steel | ||||||
|---|---|---|---|---|---|---|
| C | 1/4"-20 | 1 5/8" | 3/4" | 500 | 0000000 | 00000 |
| C | 5/16"-18 | 1 5/8" | 3/4" | 825 | 0000000 | 0000 |
| C | 3/8"-16 | 2" | 1" | 1,225 | 0000000 | 0000 |
| C | 7/16"-14 | 2 1/2" | 1 1/4" | 1,700 | 0000000 | 0000 |
| C | 1/2"-13 | 2 1/2" | 1 1/4" | 2,225 | 0000000 | 0000 |
| C | 5/8"-11 | 3 1/8" | 1 1/2" | 3,600 | 0000000 | 0000 |
| C | 3/4"-10 | 3 7/8" | 1 3/4" | 5,200 | 0000000 | 00000 |
| C | 7/8"-9 | 4 1/4" | 2" | 7,200 | 0000000 | 00000 |
| C | 1"-8 | 5" | 2 1/4" | 10,000 | 0000000 | 00000 |
| C | 1 1/4"-7 | 5 3/4" | 2 1/2" | 15,500 | 0000000 | 00000 |
| C | 1 1/2"-6 | 7" | 3 1/8" | 22,500 | 0000000 | 000000 |
| C | 2"-4 1/2 | 9 15/16" | 4 1/8" | 40,000 | 0000000 | 000000 |
Thread | |||||||
|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Overall Lg. | Eye Dia. | Vertical Capacity, lbs. | Each | ||
Galvanized Steel | |||||||
| C | M6 | 1 | 43mm | 19mm | 350 | 0000000 | 00000 |
| C | M8 | 1.25 | 52mm | 25mm | 800 | 0000000 | 0000 |
| C | M10 | 1.5 | 64mm | 31mm | 1,175 | 0000000 | 0000 |
| C | M12 | 1.75 | 64mm | 31mm | 1,700 | 0000000 | 0000 |
| C | M16 | 2 | 81mm | 38mm | 2,500 | 0000000 | 00000 |
| C | M18 | 2.5 | 3 7/8" | 1 3/4" | 3,000 | 0000000 | 00000 |
| C | M20 | 2.5 | 110mm | 50mm | 5,000 | 0000000 | 00000 |
| C | M24 | 3 | 110mm | 50mm | 5,000 | 0000000 | 00000 |