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System of Measurement
Component
Nut Type
Length
Diameter
Material
Mounting Hole Diameter
Number of Mounting Holes
Thread Direction
Tensile Strength
Flange Thickness
Number of Thread Starts
Flange Height
Flange Width
Maximum Temperature
Minimum Temperature
Mounting Hole Center-to-Center
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Performance
Export Control Classification Number (ECCN)
Flange Hardness
DFARS Specialty Metals
REACH
RoHS
Ultra-Precision Lead Screws and Nuts
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Style A |
Operating with less backlash (play) than 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. All components are corrosion resistant for use in harsh environments. To ensure compatibility, select components that have the same thread type, thread size, and number of thread starts.
Flange Nuts—Right-Hand Thread
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Style A |
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.
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Style | Thread Size | Lg. | Dia. | Wd. | Ht. | Thk. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Mounting Hole Ctr.-to-Ctr. | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | No. of Mounting Holes | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Acetal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| A | 1/8"-20.8 | 1/2" | 0.4" | 3/4" | 13/32" | 1/8" | Rounded Acme | 1:1 | 1 | 0.048" | 39/64" | Not Rated | 9,000 | 25 | 2 | 6350K682 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| A | 1/8"-41.7 | 1/2" | 0.4" | 3/4" | 13/32" | 1/8" | Rounded Acme | 1:1 | 1 | 0.024" | 39/64" | Not Rated | 9,000 | 25 | 2 | 6350K681 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
