System of Measurement System of Measurement |
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Diameter Diameter | Show |
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Diameter Diameter | Hide |
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Material Material |
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Appearance Appearance |
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Shape Shape |
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Heat Treatment Heat Treatment |
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Hardness Rating Hardness Rating |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Elongation Elongation |
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Hardness Hardness |
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Fabrication Fabrication |
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Tolerance Rating Tolerance Rating |
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Yield Strength Yield Strength |
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Color Color |
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 | Black |
Durometer Durometer |
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For Use Outdoors For Use Outdoors |
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Tensile Strength Tensile Strength |
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Core Diameter Core Diameter |
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Thread Size Thread Size |
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Thread Type Thread Type |
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About Rubber
More
About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
Hard Wear-Resistant 52100 Alloy Steel Balls
- Yield Strength: 295,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Specifications Met: See table
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ACTIVITY after your order ships.
| Dia. | Dia. Tolerance | Heat Treatment | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 3 1/4" | -0.0005" to 0.0005" | Hardened | 1 | 00000000 | 0000000 |
Abrasion-Resistant Polyurethane Rubber Balls
Use these polyurethane balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. They are made of polyurethane, which combines the shock absorbing qualities of rubber with the strength of plastic.
Balls with a steel core are heavier than standard balls, so they’re often used to offset buoyancy or to reach a specific weight.
For technical drawings and 3-D models, click on a part number.
- Color: Black
- Temperature Range: -20° to 200° F
- Tensile Strength: 5,600 psi
- For Use Outdoors: Yes
| Dia. | Dia. Tolerance | Durometer | Each | |
| 3 1/4" | -0.020" to +0.020" | 95A (Extra Hard) | 0000000 | 000000 |
- Color: Black
- Temperature Range: -20° to 200° F
- Tensile Strength: 5,600 psi
- For Use Outdoors: Yes
Core | ||||||
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| Dia. | Dia. Tolerance | Material | Dia. | Durometer | Each | |
| 3 1/4" | -0.020" to +0.020" | Steel | 2 11/16" | 95A (Extra Hard) | 0000000 | 000000 |
Floats for Threaded Rods
Connect these floats to threaded float rods (not included). Use them to replace an existing float or combine with rods and float valve bodies (not included) to build a float valve.
Stainless steel floats have excellent corrosion resistance and are for use with water and oil.
| Dia. | Thread Size | Thread Type | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
| 3 1/4" | 1/4"-20 | UNC | 250 | -30° to 225° | 24 ga. | Open Tank, Closed Tank | 0000000 | 000000 |
| Dia. | Thread Size | Thread Type | Max. Pressure, psi | Temp. Range, °F | Gauge | For Container Type | Each | |
| 3 1/4" | 1/4"-20 | UNC | 250 | -30° to 225° | 24 ga. | Open Tank, Closed Tank | 0000000 | 000000 |