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System of Measurement
Thread Size
Nut Type
Thread Type
Component
Material
Travel Distance per Turn
Tensile Strength
Dynamic Thrust Load Capacity
Thread Direction
Number of Thread Starts
Hardness
Threading
Export Control Classification Number (ECCN)
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Speed Ratio
DFARS Specialty Metals
REACH
RoHS
Specifications Met
Flange Material
Number of Mounting Holes
About Carriages and Guide Rails
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Stabilize your carriages against pitch, roll, and yaw forces by installing them in pairs.
Metric Precision Lead Screws and Nuts
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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, 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. To ensure compatibility, select components that have the same thread direction, size, and number of thread starts.
Lead Screws—Right-Hand Thread
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1018 Low-Carbon Steel—Carbon steel lead screws and flanges have good machinability.
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.
Thread Size | Lg., mm | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Accuracy for Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength, psi | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1018 Low-Carbon Steel | ||||||||||||||
| M28 × 5 mm | 1,000 | Metric Trapezoidal | 1:1 | 1 | 5 | ±0.15 mm/300 mm | Metric Trapezoidal Class 8e | Brinell 150 | 85,000 | DIN 103 | 7549K83 | 000000 | ||
| M28 × 5 mm | 1,750 | Metric Trapezoidal | 1:1 | 1 | 5 | ±0.15 mm/300 mm | Metric Trapezoidal Class 8e | Brinell 150 | 85,000 | DIN 103 | 7549K84 | 000000 | ||
Round Nuts—Right-Hand Thread
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932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair 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.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
932 Bearing Bronze | |||||||||||||||
| M28 × 5 mm | 2" | 1.75" | Metric Trapezoidal | 1:1 | 1 | 5 | Metric Trapezoidal Class 7H | Brinell 69 | 44,000 | 6,100 | DIN 103 | 7549K87 | 000000 | ||
Externally Threaded Nuts—Right-Hand Thread
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Manganese Bronze—Manganese bronze nuts have good strength and wear 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.
External Thread | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Size | Lg. | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Specs. Met | Each | |||
Manganese Bronze | |||||||||||||||||
| M28 × 5 mm | 1 3/4" | 2.125" | Metric Trapezoidal | 1:1 | 1 | 5 | 1 31/32"-18 | 13/16" | Metric Trapezoidal Class 7H | Brinell 126 | 75,000 | 6,100 | DIN 103 | 7549K94 | 0000000 | ||
Flange Nuts—Right-Hand Thread
 |  |
Manganese Bronze—Manganese bronze nuts have good strength and wear 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.
Flange | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | Dia. | Thk. | Thread Type | Speed Ratio | Bolt Circle Dia. | No. of Thread Starts | Travel Distance per Turn, mm | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | No. of Mounting Holes | Specs. Met | Each | |||
Manganese Bronze | |||||||||||||||||||
| M28 × 5 mm | 1 3/4" | 2.125" | 4 13/64" | 53/64" | Metric Trapezoidal | 1:1 | 3 7/16" | 1 | 5 | Metric Trapezoidal Class 7H | Brinell 126 | 75,000 | 6,100 | 4 | DIN 103 | 7549K86 | 0000000 | ||
