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Metric Ultra-Precision Lead Screws and Nuts
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Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these provide increased nut life and more reliable movement in automated systems. 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, select components that have the same thread size, thread type, thread size, thread pitch, and number of thread starts.
Lead Screw—Right-Hand Thread
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303 Stainless Steel—303 stainless steel lead screws have 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.
Thread Size | Lg., mm | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Accuracy for Travel Distance per Turn | Hardness | Tensile Strength, psi | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
303 Stainless Steel | ||||||||||||
| M4 × 0.3 mm | 75 | Metric Rounded Trapezoidal | 1:1 | 1 | 0.3 | ±0.089 mm/300 mm | Brinell 160 | 90,000 | 7549K53 | 000000 | ||
Metric Fast-Travel Ultra-Precision Lead Screws and Nuts
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Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start. Operating with less backlash (play) than Metric Precision Acme Lead Screws and Nuts, these lead screws and nuts provide increased nut life and more reliable movement in automated systems. To ensure compatibility, select components that have the same thread size and number of thread starts.
Lead Screw—Right-Hand Thread
 |
303 Stainless Steel—303 stainless steel lead screws have 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.
Thread Size | Lg., mm | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Accuracy for Travel Distance per Turn | Hardness | Tensile Strength, psi | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
303 Stainless Steel | ||||||||||||
| M4 × 1.25 mm | 75 | Metric Rounded Trapezoidal | 8:1 | 8 | 10 | ±0.089 mm/300 mm | Brinell 160 | 90,000 | 97783A130 | 000000 | ||
