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System of Measurement
Thread Size
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Number of Thread Starts
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Export Control Classification Number (ECCN)
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Precision Acme Lead Screws and Nuts
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Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won’t unexpectedly move when the lead screw is at rest. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
Externally Threaded Nuts—Right-Hand Thread
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Combine externally threaded nuts with a flange to create a custom flange nut.
360 Brass—360 brass nuts have excellent machinability and good corrosion resistance.
Acetal—Acetal nuts have good wear and corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
External Thread | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||
360 Brass | |||||||||||||||||
| 3/4"-16 | 1 1/4" | 1.125" | Acme | 1:1 | 1 | 0.063" | 1"-18 | 1/2" | Acme Class 2C | Brinell 70 | Not Rated | 2,800 | — | 95072A371 | 000000 | ||
Acetal | |||||||||||||||||
| 3/4"-16 | 1 1/4" | 1.125" | Acme | 1:1 | 1 | 0.063" | 1"-18 | 1/2" | Acme Class 2C | Rockwell R120 | 8,000 | 1,400 | -40 to 190 | 90493A120 | 00000 | ||
Externally Threaded Nuts—Left-Hand Thread
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Combine externally threaded nuts with a flange to create a custom flange nut.
360 Brass—360 brass nuts have excellent machinability and good corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
External Thread | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Each | |||
360 Brass | ||||||||||||||||
| 3/4"-16 | 1 1/4" | 1.125" | Acme | 1:1 | 1 | 0.063" | 1"-18 | 1/2" | Acme Class 2C | Brinell 70 | Not Rated | 2,800 | 95072A372 | 000000 | ||
