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System of Measurement
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Number of Thread Starts
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U.S.–Mexico–Canada Agreement (USMCA) Qualifying
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About Carriages and Guide Rails
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Stabilize your carriages against pitch, roll, and yaw forces by installing them in pairs.
Fast-Travel Corrosion-Resistant Ball Screws and Nuts
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Multiple thread channels (also known as thread starts) create faster linear travel than ball screws with a single thread start. Suitable for use in harsh environments, these ball screws and nuts are made of stainless steel. Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. To ensure compatibility, select components that have the same thread size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
Externally Threaded Ball Nuts—Right-Hand Threaded
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Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Thread Size | Lg. | Dia. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash | Temp. Range, ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
17-4 PH Stainless Steel | |||||||||||||
| 3/4"-4 | 2 15/16" | 1 5/16" | 2 | 0.5" | 1 1/4"-16 | Rockwell C38 | 600 | 0.007" | -65 to 300 | 6641K17 | 0000000 | ||
Flange Ball Nuts—Right-Hand Threaded
 |  |
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | Dia. | Thk. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash | Temp. Range, ° F | Each | |||
17-4 PH Stainless Steel | |||||||||||||||
| 3/4"-4 | 2 15/16" | 1 5/16" | 2 19/32" | 17/32" | 2 | 0.5" | 2 3/32" | Rockwell C38 | 600 | 0.007" | -65 to 300 | 6641K18 | 0000000 | ||
Fast-Travel Ball Screws and Nuts
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Ball Nuts, Externally Threaded Nut, Style C | Ball Nuts Flange Nut Style F |
Externally Threaded Ball Nuts—Right-Hand Threaded
|
Style C |
Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Style | Thread Size | Lg. | Dia. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash | Temp. Range, ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Black-Oxide Alloy Steel | ||||||||||||||
| C | 3/4"-4 | 2 15/16" | 1 5/16" | 2 | 0.5" | 1 1/4"-16 | Rockwell C56 | 3,400 | 0.015" | -65 to 300 | 3405N465 | 000000 | ||
Flange Ball Nuts—Right-Hand Threaded
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Style F |
 |
|
Black-Oxide Alloy Steel—Black-oxide alloy steel ball nuts have mild corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
Flange | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Thread Size | Lg. | Dia. | Dia. | Thk. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lb. | Max. Backlash | Temp. Range, ° F | Each | |||
Black-Oxide Alloy Steel | ||||||||||||||||
| F | 3/4"-4 | 2 15/16" | 1 5/16" | 2 39/64" | 17/32" | 2 | 0.5" | 2 3/32" | Rockwell C56 | 3,400 | 0.015" | -65 to 300 | 3405N403 | 0000000 | ||
