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Nut Type Nut Type |
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 | Round |
Component Component |
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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Thread Type Thread Type |
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Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Material Material |
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Diameter Diameter | Show |
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Diameter Diameter | Hide |
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Height Height |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Fabrication Fabrication |
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Hardness Hardness |
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Number of Thread Starts Number of Thread Starts |
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Speed Ratio Speed Ratio |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Travel Distance per Turn Travel Distance per Turn |
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Selecting Compatible Lead Screws and Nuts
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Acme Lead Screws and Nuts
Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction and size.
Cast iron components have good machinability and high strength.
Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Round Nuts—Right-Hand Threaded
Round nuts move objects along the length of a lead screw.
| Thread Size | Ht. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
Cast Iron | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 5/8"-8 | 1 1/4" | 1 55/64" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B96 | 000000000 | 000000 |
Round Nuts—Left-Hand Threaded
Round nuts move objects along the length of a lead screw.
| Thread Size | Ht. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
Cast Iron | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 5/8"-8 | 1 1/4" | 1 55/64" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B96 | 000000000 | 000000 |