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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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Compression Fittings for Steel Tubing
- For Use With: Inch: Air, Hydraulic Fluid, Water
Metric: Hydraulic Fluid - Tubing: Inch: Use with welded steel
Metric: Use with seamless steel - Specifications Met: Inch: SAE J514
Metric: ISO 8434, DIN 2353
A single sleeve (ferrule) bites into tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless and bite fittings.
Zinc-plated steel fittings have fair corrosion resistance.
ISO 8434 (formerly DIN 2353) fittings meet international standards for tube fitting pressures.
Straight Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Thread Size  | Thread Pitch | Material | Max. Pressure | Temp. Range, °F | Each | |
Metric Taper Threads | ||||||||
| 4mm | Not Rated | M8 | 1 mm | Zinc-Plated Steel | 1,400 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 6mm | Not Rated | M10 | 1 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 8mm | Not Rated | M12 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 10mm | Not Rated | M14 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 12mm | Not Rated | M16 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
90° Elbow Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
For Tube | ||||||||
|---|---|---|---|---|---|---|---|---|
| OD | Wall Thick. | Thread Size | Thread Pitch | Material | Max. Pressure | Temp. Range, °F | Each | |
Metric Taper Threads | ||||||||
| 6mm | Not Rated | M10 | 1 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000000 |
| 8mm | Not Rated | M12 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 10mm | Not Rated | M14 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 12mm | Not Rated | M16 | 1.5 mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
Nuts
- Temperature Range: See table
| For Tube OD | Nut Material | Max. Pressure | Temp. Range, °F | Each | |
| 6mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 8mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 10mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
| 12mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 0000 |
Sleeves
- Temperature Range: See table
| For Tube OD | Sleeve Material | Max. Pressure | Temp. Range, °F | Each | |
| 6mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 00000 |
| 8mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |
| 10mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |
| 12mm | Zinc-Plated Steel | 3,600 psi @ 72° F | -20° to 230° | 00000000 | 000 |