System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Type Thread Type |
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Threading Threading |
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 | Fully Threaded |
Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (DefenseAcquisition Regulations Supplement)  |
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Hardness Hardness |
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Thread Direction Thread Direction |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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Specifications Met Specifications Met |
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Travel Distance per Turn Travel Distance per Turn |
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Component Component |
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 | Ball Nut |
Dynamic Thrust Load Capacity Dynamic ThrustLoad Capacity |
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Height Height |
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Width Width |
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Maximum Backlash Maximum Backlash |
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Number of Mounting Holes Number of Mounting Holes |
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Selecting Compatible Lead Screws and Nuts
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About Threaded Studs and Rods
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Metric High-Strength Steel Threaded Rods—Class 10.9
These Class 10.9 steel threaded rods are about 25% stronger than medium-strength steel rods.
For technical drawings and 3-D models, click on a part number.
| Lg. | Thread Pitch, mm | Tensile Strength, psi | Hardness | Specifications Met | Each | |
Steel | ||||||
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M45 | ||||||
| 1 m | 4.5 | 150,000 | Rockwell C32 | DIN 976 | 00000000 | 0000000 |
Metric Ball Screws and Nuts
Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, these have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread size and travel distance per turn. 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.
Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Lg., mm | Wd., mm | Ht., mm | Center Ht., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash, mm | Includes | Temperature Range, °F | Each | |
Alloy Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M45 | 115 | 100 | 80 | 36 | 1 | 12 | Rockwell C58 | 11,100 | 0.2 | Seals | Not Rated to 175° | 0000000 | 0000000 |
Flange | |||||||||||||
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| Thread Size | Lg., mm | Dia., mm | Dia., mm | Thick., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash, mm | Includes | Temperature Range, °F | Each | |
Alloy Steel | |||||||||||||
| M45 | 118 | 82 | 128 | 20 | 1 | 12 | Rockwell C58 | 11,100 | 0.2 | Seals | Not Rated° to 175° | 0000000 | 0000000 |