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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End Type End Type |
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| Straight | Keyed |
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| Made to Order | Threaded |
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| Tapped | D-Profile |
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| With Retaining Ring Grooves | Step Down |
Material Material |
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Component Component |
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 | Ball Nut |
 | Ball Screw |
Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Mechanical Finish Mechanical Finish |
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Thread Type Thread Type |
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Hardness Hardness |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Thread Direction Thread Direction |
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Number of Thread Starts Number of Thread Starts |
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Number of Mounting Holes Number of Mounting Holes |
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Edge Type Edge Type |
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 | Chamfered |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Shafts
More
Selecting Compatible Lead Screws and Nuts
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Keyed Rotary Shafts
Combine these shafts with a machine key (not included) to transmit torque to gears, sprockets, and other power transmission components. All have an ANSI standard keyway (keys not included; see our selection of key stock). Their edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1045 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine.
Stainless steel shafts are more corrosion resistant than steel shafts but also more difficult to machine. 303 and 304 stainless steel shafts have good corrosion resistance. 303 stainless steel shafts are annealed, which makes them softer than 304 stainless steel shafts but more corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the keyed end of the shaft, please specify keyway length (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
Keyed End | Threaded End | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Keyway Lg. | Keyway Wd. | Keyway Dp. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-150mm | 8mm | 4mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | |
Metric—4140 Alloy Steel (Brinell 270) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-150mm | 8mm | 4mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | |
Metric—303 Stainless Steel (Brinell 140) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-150mm | 8mm | 4mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | |
D-Profile Rotary Shafts
A flat surface area allows set screws to dig into the shaft for securely mounting gears, sprockets, and bearings. The edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine. They are hardened for increased wear resistance. 303 stainless steel are more corrosion resistant than steel shafts but also more difficult to machine.
Annealed shafts are softened for increased corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the D-profile end of the shaft, please specify D-profile length (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
D-Profile End | Threaded End | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Flat Wd. | Choose a D-Profile Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||
| 25mm | 75mm-1,000mm | 12.5mm | 10mm-150mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||
| 25mm | 75mm-1,000mm | 12.5mm | 10mm-150mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||
| 25mm | 75mm-1,000mm | 12.5mm | 10mm-150mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | |
Tapped Rotary Shafts
Connect these internally threaded shafts directly to threaded components, or use a fastener to secure. The edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1045 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine. They are hardened for increased wear resistance. 303 stainless steel are more corrosion resistant than steel shafts but also more difficult to machine. They are annealed (softened) for increased corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the tapped end of the shaft, please specify thread size. For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
Threaded Rotary Shafts
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts. The edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1045 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine. They are hardened for increased wear resistance. 303 stainless steel are more corrosion resistant than steel shafts but also more difficult to machine. They are annealed (softened) for increased corrosion resistance.
For technical drawings and 3-D models, click on a part number.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
Threaded End | |||||||
|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | |
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For each end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
First Threaded End | For Second Threaded End | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for First Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Choose a Thread Size for Second Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | ||
Metric—303 Stainless Steel (Brinell 140) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | ||
Metric—4140 Alloy Steel (Brinell 270) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | ||
Combine with a machine key (not included) to transmit torque to gears, sprockets, and other power transmission components.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments). For the keyed end of the shaft, please specify keyway length (in 0.005" or 0.1 mm increments).
Threaded End | Keyed End | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Choose a Keyway Lg. | Keyway Wd. | Keyway Dp. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-150mm | 8mm | 4mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-150mm | 8mm | 4mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | ||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-150mm | 8mm | 4mm | Hardened | 00000000 | 000000 | |
A flat surface area allows set screws to dig into the shaft for securely mounting gears, sprockets, and bearings.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments). For the D-profile end of the shaft, please specify D-profile length (in 0.005" or 0.1 mm increments).
Threaded End | D-Profile End | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Flat Wd. | Choose a D-Profile Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 12.5mm | 10mm-150mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 12.5mm | 10mm-150mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 12.5mm | 10mm-150mm | Hardened | 00000000 | 000000 | |
with Retaining
Ring Grooves
Clip retaining rings into the grooves to separate and position gears, sprockets, and bearings.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments). For the end with retaining ring grooves, please specify end-to-groove length and groove-to-groove length (in 0.001" or 0.1 mm increments).
Threaded End | End with Retaining Ring Grooves | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Choose an End-to-Groove Lg. | Choose a Groove-to-Groove Lg. | Groove Wd. | Groove Dia. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | Hardened | 00000000 | 000000 | |
A shoulder near the end of the shaft provides a stop for gears, sprockets, and bearings.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments). For the step-down end of the shaft, please specify step length (in 0.005" or 0.1 mm increments) and step diameter (in 0.001" or 0.01 mm increments).
Threaded End | Step-Down End | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Choose a Step Lg. | Choose a Step Dia. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-500mm | 0.79mm-25mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-500mm | 0.79mm-25mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-100mm | 10mm-500mm | 10mm-500mm | 0.79mm-25mm | Hardened | 00000000 | 000000 | |
Internal threads allow you to attach threaded components.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments). For the tapped end of the shaft, please specify thread size.
Step-Down Rotary Shafts
A shoulder near the end of the shaft provides a stop for gears, sprockets, and bearings. The edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1045 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine. They are hardened for increased wear resistance. 303 stainless steel are more corrosion resistant than steel shafts but also more difficult to machine.
Annealed shafts have been softened for increased corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the step-down end of the shaft, please specify step length (in 0.005" or 0.1 mm increments) and step diameter (in 0.001" or 0.01 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
Step-Down End | Threaded End | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose a Step Lg. | Choose a Step Dia. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-500mm | 0.79mm-25mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-500mm | 0.79mm-25mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||
| 25mm | 75mm-1,000mm | 10mm-500mm | 0.79mm-25mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | |
Rotary Shafts with Retaining Ring Grooves
Clip retaining rings into the grooves to separate and position gears, sprockets, and bearings. The edges are chamfered to remove sharp corners, reducing damage to bearings, housings, and other components during installation. All are turned, ground, and polished to tight diameter and straightness tolerances.
Steel shafts are generally stronger than aluminum and stainless steel shafts but not as corrosion resistant. 1045 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 4140 alloy steel shafts have a higher yield strength than 1045 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine. They are hardened for increased wear resistance. 303 stainless steel are more corrosion resistant than steel shafts but also more difficult to machine.
Annealed shafts have been softened for increased corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Ring Grooves ×
Threaded End
Attach threaded accessories, such as mixer propellers and fan blades, to the end of these shafts.
To Order: Please specify the length of the shaft (in 0.005" or 0.1 mm increments). For the end with retaining ring grooves, please specify end-to-groove length and groove-to-groove length (in 0.001" or 0.1 mm increments). For the threaded end of the shaft, please specify thread size, thread length (in 0.005" or 01. mm increments), and step length (in 0.005" or 0.1 mm increments).
End with Retaining Ring Grooves | Threaded End | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia. | Choose a Lg. | Choose an End-to-Groove Lg. | Choose a Groove-to-Groove Lg. | Groove Wd. | Groove Dia. | Choose a Thread Size for Threaded End | Choose a Thread Lg. | Choose a Step Lg. | Heat Treatment | Each | |
Metric—1045 Carbon Steel (Brinell 180) | |||||||||||
| 25mm | 75mm-1,000mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | 10mm-100mm | 10mm-500mm | __ | 00000000 | 0000000 | |
Metric—303 Stainless Steel (Brinell 140) | |||||||||||
| 25mm | 75mm-1,000mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | 10mm-100mm | 10mm-500mm | Annealed | 00000000 | 000000 | |
Metric—4140 Alloy Steel (Brinell 270) | |||||||||||
| 25mm | 75mm-1,000mm | 6mm-500mm | 0.1mm-500mm | 1.3mm | 23.9mm | 10mm-100mm | 10mm-500mm | Hardened | 00000000 | 000000 | |
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.
Root diameter indicates the diameter the ball screw will be after machining away the threads.
| Thread Size | Lg., mm | No. of Thread Starts | Travel Distance per Turn, mm | Accuracy for Travel Distance per Turn | Root Dia., mm | Hardness | Tensile Strength, psi | Temperature Range, °F | Each | |
Carbon Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M25 | 500 | 1 | 5 | ±0.210 mm per 300 mm | 22.2 | Rockwell C58 | 21,000 | 5° to 175° | 0000000 | 0000000 |
| M25 | 1,000 | 1 | 5 | ±0.210 mm per 300 mm | 22.2 | Rockwell C58 | 21,000 | 5° to 175° | 0000000 | 000000 |
| M25 | 1,500 | 1 | 10 | ±0.210 mm per 300 mm | 20.2 | Rockwell C58 | 21,000 | 5° to 175° | 0000000 | 000000 |
| Thread Size | Lg., mm | Dia., mm | Wd., mm, mm | Ht., mm | Thick., mm | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash, mm | Temperature Range, °F | Each | |
Alloy Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M25 | 40 | 43 | 67 | 50 | 10 | 1 | 5 | Rockwell C58 | 1,500 | 0.1 | 5° to 175° | 0000000 | 0000000 |
| M25 | 98 | 60 | 96 | 72 | 15 | 1 | 10 | Rockwell C58 | 7,000 | 0.1 | 5° to 175° | 0000000 | 000000 |