About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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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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Extreme-Pressure Stainless Steel Threaded Pipe Fittings
With the strength to handle extreme pressures, these fittings can be used to connect equipment in hydraulic fluid lines. 316 stainless steel fittings have excellent corrosion resistance. UN/UNF (SAE Straight) threads are also known as O-ring boss threads; the male threads have a gasket to prevent leaks.
- For Use With: Hydraulic Fluid, Oil, Water
316 Stainless Steel | |||||
|---|---|---|---|---|---|
| Pipe Size (A)  | Dash Size (A) | Thread Size (B) | Max. Pressure | Each | |
NPT Female × UN/UNF (SAE Straight) Female | |||||
| 1/2 | 08 | 1 1/8"-12 | 15,000 psi @ 72° F | 000000000 | 0000000 |
- Specifications Met: See table
- For Use With: See table
316 Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| Thread Size (A) | Pipe Size (B) | Dash Size (B) | Max. Pressure | For Use With | Each | |
UN/UNF (SAE Straight) Female × NPT Male | ||||||
| 1 1/8"-12 | 1/2 | 08 | 15,000 psi @ 72° F | Hydraulic Fluid, Oil, Water | 000000000 | 0000000 |
Low-Pressure Iron and Steel Threaded Pipe Fittings
Use these fittings for low-pressure applications in noncorrosive environments.
- For Use With:
Solid: Air, Steam, Oil, Water, Natural Gas
Solid with Magnet: Air, Steam, Water, Natural Gas - Specifications Met:
BSPP and Metric with Washer: DIN 910
BSPT: DIN 909
| Thread Size | Plug Construction | Max. Pressure | Max. Steam Pressure | Material | Each | |
UNF Male | ||||||
|---|---|---|---|---|---|---|
| 1 1/8"-12 | Solid with Magnet | 150 psi @ 72° F | 150 psi @ 250° F | Steel | 0000000 | 000000 |
Threaded Shaft Collars
To install, thread these one-piece collars onto the end of your shaft. They clamp evenly around the shaft to create a strong, mar-free hold. Tighten the clamping screw to secure.
Black-oxide steel collars have some corrosion resistance. 303 stainless steel collars have excellent corrosion resistance.