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 | Threaded Hole |
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 | Semi- Clear |
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About Plastic
More
Polypropylene Balls
- Color: Semi-Clear White
- Max. Temperature:
Solid Balls: 180° F
Hollow Balls: 220° F - Tensile Strength: 2,900-5,070 psi (Poor)
- Impact Strength: 0.9 ft.-lbs./in. (Poor)
- Hardness: Rockwell R99 (Hard)
- For Use Outdoors: No
- Specifications Met: See table
Resistant to swelling when exposed to water, these balls are often used in laboratory applications.
Hollow balls float. Use them in tanks to slow evaporation and reduce heat loss.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Specifications Met | Pkg. Qty. | Pkg. | |
Solid | |||||
|---|---|---|---|---|---|
| 1/8" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 5/32" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 3/16" | -0.002" to 0.002" | ASTM D4101 | 500 | 000000 | 00000 |
| 7/32" | -0.002" to 0.002" | ASTM D4101 | 250 | 000000 | 00000 |
| 1/4" | -0.002" to 0.002" | ASTM D4101 | 250 | 0000000 | 00000 |
| 9/32" | -0.002" to 0.002" | ASTM D4101 | 100 | 000000 | 00000 |
| 5/16" | -0.002" to 0.002" | ASTM D4101 | 250 | 0000000 | 00000 |
| 3/8" | -0.002" to 0.002" | ASTM D4101 | 100 | 0000000 | 0000 |
| 0.4" | -0.002" to 0.002" | __ | 15 | 0000000 | 0000 |
| 7/16" | -0.002" to 0.002" | ASTM D4101 | 50 | 000000 | 00000 |
| 1/2" | -0.002" to 0.002" | ASTM D4101 | 100 | 0000000 | 00000 |
| 5/8" | -0.002" to 0.002" | ASTM D4101 | 50 | 0000000 | 00000 |
| 3/4" | -0.002" to 0.002" | ASTM D4101 | 25 | 0000000 | 0000 |
| 0.787" | -0.002" to 0.002" | __ | 10 | 0000000 | 0000 |
| 7/8" | -0.002" to 0.002" | ASTM D4101 | 1 | 0000000 | 0000 |
| 1" | -0.002" to 0.002" | ASTM D4101 | 10 | 0000000 | 0000 |
| 1.479" | -0.002" to 0.002" | __ | 3 | 0000000 | 0000 |
Hollow | |||||
| 0.787" | -0.010" to 0.010" | FDA Compliant 21 CFR 177.1520 | 150 | 0000000 | 00000 |
| 1" | -0.015" to 0.015" | FDA Compliant 21 CFR 177.1520 | 25 | 0000000 | 0000 |
| 1.4" | -0.015" to 0.015" | FDA Compliant 21 CFR 177.1520 | 25 | 0000000 | 0000 |
| 1.496" | -0.010" to 0.010" | FDA Compliant 21 CFR 177.1520 | 50 | 0000000 | 00000 |
| 1.969" | -0.020" to 0.020" | FDA Compliant 21 CFR 177.1520 | 40 | 0000000 | 00000 |
| 3.15" | -0.030" to 0.030" | FDA Compliant 21 CFR 177.1520 | 10 | 0000000 | 00000 |
| 3.937" | -0.050" to 0.050" | FDA Compliant 21 CFR 177.1520 | 1 | 0000000 | 0000 |
Threaded-Hole Ball Knobs
1
Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.
Plastic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Polypropylene has good impact resistance.
For technical drawings and 3-D models, click on a part number.
Thread | Each | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Pitch | Dp. | Head Dia. | Insert Material | Temperature Range, °F | 1-9 | 10-Up | |
Style 1 | ||||||||
Black Polypropylene Plastic | ||||||||
| 8-32 | __ | 3/8" | 3/4" | Brass | -15° to 225° | 00000000 | 00000 | 00000 |
| 10-24 | __ | 3/8" | 3/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 10-24 | __ | 3/8" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 10-24 | __ | 3/8" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 3/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 7/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/4" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 3/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/2" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 7/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/4" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 3/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/2" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 7/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 5/8" | Brass | -15° to 225° | 00000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 7/8" | Zinc-Plated Steel | -15° to 225° | 00000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M8 | 1.25 mm | 13mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M6 | 1 mm | 13mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 32mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 35mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 38mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 41mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
| M10 | 1.5 mm | 15mm | 48mm | Brass | -15° to 225° | 0000000 | 0000 | 0000 |
Red Polypropylene Plastic | ||||||||
| 10-24 | __ | 5/16" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/4"-20 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/16"-18 | __ | 1/2" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 3/8"-16 | __ | 1/2" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 1/2" | 1 1/4" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 3/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 1/2" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 1/2"-13 | __ | 5/8" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
| 5/8"-11 | __ | 7/8" | 1 7/8" | Brass | -15° to 125° | 0000000 | 0000 | 0000 |
Floats for Threaded Rods
Cylindrical Polypropylene
Rectangular Polypropylene
Ball Polypropylene
Oblong Polypropylene
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. All are for use with water.
Polypropylene floats are lightweight and have good corrosion resistance.
Cylindrical and rectangular floats are self-tapping, except 4" dia. floats have a threaded hose connection.
Polypropylene Plastic Cylindrical Floats
Slot | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Lg. | Thread Size | Thread Type | Wd. | Lg. | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 1 1/2" | 2 1/2" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 1 1/2" | 3" | 6-32 / 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 1 1/2" | 3 3/4" | 6-32 / 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 1 5/8" | 5 1/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2" | 3/4" | __ | __ | 1/16" | 1/4" | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2" | 3 3/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2 3/4" | 1 3/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 2 3/4" | 1 3/4" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 4" | 6" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
Polypropylene Plastic Rectangular Floats
Slot | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Wd. | Ht. | Thread Size | Thread Type | Wd. | Lg. | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 2 1/4" | 3 3/8" | 1" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 2 3/4" | 1 1/4" | 1 1/4" | __ | __ | 1/16" | 1/4" | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
| 3 3/4" | 2 5/8" | 2 1/4" | 8-32 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
| 3 3/4" | 2 5/8" | 2 1/4" | 1/4"-20 | UNC | __ | __ | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 0000 |
Polypropylene Plastic Ball Floats
| Dia. | Thread Size | Pipe Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | Features | For Container Type | Each | |
| 5" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 000000 |
| 6" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 6" | 5/16"-18 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | __ | 3/8 | NPT | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 1/4"-20 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 5/16"-18 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
| 8" | 3/8"-16 | __ | UNC | Not Rated | 35° to 175° | Black | UV Resistant | Open Tank | 0000000 | 00000 |
Polypropylene Plastic Oblong Floats
| Dia. | Lg. | Thread Size | Thread Type | Max. Pressure | Temp. Range, °F | Color | For Container Type | Each | |
| 4" | 5" | 1/4"-20 | UNC | Not Rated | 35° to 175° | Off-White | Open Tank | 0000000 | 00000 |
Calibration Kit for Metal-Detectable Plastics
Made with metal additives, these balls test the sensitivity of food-processing metal detectors. They’re often used to calibrate metal detectors to find metal-detectable plastic tools that have fallen into a batch. To calibrate your metal detector, run different balls through the line—the smaller the ball, the more sensitive the detector must be to recognize it. Since they’re spheres, their orientation won’t affect a metal detector’s ability to register them. These balls help you comply with Hazard and Critical Control Point (HACCP) programs for food safety. They’re FDA compliant for direct contact with food. Balls are autoclavable, so you can sanitize them with steam.
| Material | Color | Max. Temperature, °F | Autoclavable | Includes | Specifications Met | Each | |
| Polypropylene Plastic | Blue | 180° | Yes | Sizes 4 mm to 14 mm (1 mm increments) | FDA Compliant 21 CFR 177.1520 | 0000000 | 00000 |