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Single-start and self-locking lead screws and nuts
Acme Lead Screw and Nut, 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, these 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. There are two immediate results of this difference in profile. It is much easier to machine, so Acme lead screws are much cheaper than square lead screws or ball screws. The second difference is a much larger area of contact between the screw and the nut. 

Flange Trapezoidal Bronze Nut Acme Screw

Flange Trapezoidal Bronze Nut Acme Screw Tr17x2, Tr17x2.5, Tr17x3, Tr17x4, Tr17x9-3, Tr17x9.525-3, Tr17x24-4, Tr17x24-6, Tr17x34.9-11, Tr17.28x45-9, Tr17.3x18-4, Tr17.41x9.52-6, Tr17.5x15-6, Tr17.55x4.761-3, Tr17.64x90-18, Tr17.69x31.75-10, Tr17.8x90-18, Tr17.93x16-4.

Inch Acme Screw Assembly

Inch Acme Screw Assembly Tr18x2, Tr18x2.5, Tr18x3, Tr18x4, Tr18x5, Tr18x6, Tr18x6-3, Tr18x8-2, Tr18x9-3 LH OPPO, Tr18x12.7-8, Tr18x14-7, Tr18x15-6, Tr18x18-4 Circular-arc Screw Thread, Tr18x25-10, Tr18x25.4-8, Tr18x38.075-12, Tr18x45-9, Tr18x60-10, Tr18.075x50-5, Tr18.56x95-19, Tr18.64x8-4, Tr18.8x9.5178-3, Tr18x4-1.

lead screw with teeth screw trapezoidal thread and brass nut

lead screw with teeth screw trapezoidal thread and brass nut Tr19x2.5, Tr19x3, Tr19x4, Tr19x3.175, Tr19x6, Tr19x15-5, Tr19x16-4, Tr19x28-8, Tr19x92-18, Tr19x95-19, Tr19.428x50-10, Tr19.45x20-5, Tr19.46x28-7, Tr19.48x100-20, Tr19.6x66-11, Tr19.9x12-3. Tr20x2, Tr20x2.5, Tr20x3, Tr20x4, Tr20x4-2, Tr20x5 LH RH, Tr20x6, Tr20x8-4, Tr20x9-3, Tr20x10-2, Tr

precision trapezoidal metric lead screws

precision trapezoidal metric lead screws Tr21x3, Tr21x4, Tr21x17.5-7, Tr21.1x22.5-5, Tr21.2x72-12, Tr21.3x12.7-4, Tr21.35x60-6, Tr21.57x55-11, Tr21.7x22.5-10, Tr21.86x20-5, Tr21.93x32-8. Tr22x3, Tr22x4, Tr22x5, Tr22x8-4, Tr22x18-3, Tr22x18-6, Tr22x22-5, Tr22x72-18, Tr22x88-11, Tr22.8x78-13, Tr22.9x24-6, Tr22x5-1

lead trapezoidal spindle screw with brass nut

lead trapezoidal spindle screw with brass nut Tr40x7, Tr40x30-5, Tr40x120-15, Tr41x7, Tr42x7, Tr43x7, Tr43x24-4, Tr44x7, Tr45x7, Tr45x8-2, Tr45.3x20-4, Tr45.95x25-5, Tr46x8, Tr47x8, Tr48x8, Tr49x8.Tr50x8, Tr51x8, Tr52x8, Tr53x8, Tr53x30-5, Tr54x8, Tr55x8, Tr55x9, Tr55x12, Tr55.95x25-5, Tr56x9, Tr56x12, Tr57x9, Tr57x12, Tr58x9, Tr58x12, Tr59x9, Tr59

micro acme screw and nut

micro acme screw and nut Tr23x3, Tr23x4, Tr23x8-2, Tr23x10-4, Tr23x10-5, Tr23x12-2, Tr23x20-10, Tr23.15x6.348-4, Tr23.2x11.42. Tr24x3, Tr24x4, Tr24x5 LH RH, Tr24x10-2, Tr24x12-3, Tr24x12-4, Tr24x24-6, Tr24x40-8, Tr24x96-12, Tr24.4x36-9, Tr24.4x84-14, Tr24.625x70-7, Tr24.9x27-6.

mini trapezoidal screw and nut

mini trapezoidal screw and nut Tr25x3, Tr25x4, Tr25x5, Tr25x10-2, Tr25x12-2, Tr25x22-11, Tr25x24-4, Tr25.43x24-4, Tr25.8x16-4, Tr25.8x24-6, Tr25x5-1.Tr26x3, Tr26x4, Tr26x5, Tr26x12-3, Tr26x12-4, Tr26x60-12, Tr26.3x15.875-5, Tr26.35x28-7, Tr26.86x40-10.

miniature lead screw and nut

miniature lead screw and nut 27x3 angular thread, Tr27x4, Tr27x5, Tr27xx10-5, Tr27x24-12, Tr27x45-9, Tr27.36x12-6, Tr27.5x12-4, Tr27.5x12.5-5, Tr27.9x80-8. Tr28x3, Tr28x4, Tr28x5, Tr28x8, Tr28.65x15-3, Tr28.7x31.5-7, Tr28x5-1, Tr29x3, Tr29x4, Tr29x4.233, Tr29x5, Tr29.8x32-8.
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