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About Shafts
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About Stainless Steel
More
Selecting Compatible Lead Screws and Nuts
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About Aluminum
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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About Composites
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Multipurpose 304 Stainless Steel
From cookware to chemical-processing equipment, 304 stainless steel is a good all-around choice for a wide range of applications. It maintains its corrosion resistance in temperatures up to 1500° F.
If you don't see the rod size you're looking for, please specify a length under additional 304/304L stainless steel rod lengths.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance High-Strength 17-4 PH Stainless Steel
Each piece is precision ground to offer tighter tolerances than standard 17-4 PH stainless steel. With a higher chromium content than 15-5 PH stainless steel, this high-strength material offers better corrosion resistance. It's also known as 630 stainless steel. It maintains its corrosion resistance in temperatures up to 1100° F.
Rods are held to a strict diameter tolerance, so they’re ready for turning in your lathe.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

- Yield Strength: 118,000 psi
- Hardness: See table
- Heat Treatment: Annealed (Softened)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C47
- Specifications Met: ASTM A564
Low-Carbon Steel Rods and Discs

- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Specifications Met: See table
Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
Ground rods are decarb-free for a uniform surface that will consistently accept heat treating.
If you don't see the size you're looking for, please specify a length under additional rod lengths.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance Low-Carbon Steel Rods

- Yield Strength: Not Rated
- Hardness: Not Rated (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A108
These rods are precision ground and held to a strict straightness tolerance, so they're ready for turning in a lathe. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance Ultra-Machinable 12L14 Carbon Steel Rods

- Yield Strength: 65,000 psi
- Hardness: Rockwell B80 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C65
- Specifications Met: ASTM A108
Ready for turning in a lathe, these rods are precision ground and held to a strict straightness tolerance. The lead additive acts as a lubricant, which allows 12L14 carbon steel to withstand very fast machining. It's used to fabricate a wide variety of machine parts.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance Multipurpose 4140 Alloy Steel Rods

- Yield Strength: 60,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Rockwell C60
- Specifications Met: ASTM A108
Ready for turning in your lathe, these rods are precision ground and held to a strict straightness tolerance. Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Chrome-Plated Hardened Multipurpose 4140 Alloy Steel Rods

- Yield Strength: 100,000 psi
- Hardness: Rockwell C30 (Hard)
The chrome plating on these rods increases corrosion resistance. They are hardened for increased abrasion and impact resistance. Also known as chrome-moly steel, this versatile 4140 alloy steel is used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. It resists fracturing from repeated stress.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
High-Strength Multipurpose 4140 Alloy Steel Rods

- Yield Strength: 130,000 psi
- Hardness: Rockwell C32 (Hard)
- Specifications Met: ASTM A108
Often called ETD-150, these rods are made from a modified version of 4140 alloy steel and have been drawn at high temperatures for excellent strength. Also known as chrome-moly steel, they are used for a wide range of parts, such as gears, axles, shafts, collets, and die holders. They resist fracturing from repeated stress.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Multipurpose 6061 Aluminum Rods and Discs

- Yield Strength: 35,000 psi
- Hardness:
Foot and inch sizes: Brinell 95 (Soft)
Metric sizes: Brinell 80 (Soft) - Temper: See table
- Fabrication: See table
- Specifications Met:
Cold Worked: ASTM B211
Extruded: ASTM B221
The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.
If you don't see the size you're looking for, please specify a length under additional rod lengths.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance Multipurpose 6061 Aluminum Rods and Discs

These rods and discs are precision ground to offer tighter tolerances than standard 6061 rods and discs. The most widely used aluminum, 6061 is fabricated into everything from pipe fittings and containers to automotive and aerospace parts. It is strong and corrosion resistant, plus it's easy to machine and weld.
Rods are held to a strict straightness tolerance, so they’re all set for turning in your lathe.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Tight-Tolerance High-Strength 7075 Aluminum Rods

- Yield Strength: 73,000 psi
- Hardness: Brinell 150 (Medium)
- Temper: T6
- Fabrication: Cold Worked
- Specifications Met: ASTM B211
Ready for turning in a lathe, these rods are precision ground and held to a strict straightness tolerance. Originally developed for aircraft frames, uses for 7075 aluminum now include keys, gears, and other high-stress parts. It is often used as a replacement for 2024 aluminum because it’s stronger and provides similar performance in all other aspects.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Linear Motion Shafts

Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. 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. 1055 and 1060 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 1566 carbon steel shafts have a higher yield strength than 1055 and 1060 carbon steel shafts for supporting heavier loads. 52100 alloy steel shafts are good for high-load applications. They are, however, more difficult to machine than carbon steel shafts.
Stainless steel shafts are more corrosion resistant than steel shafts; however, they’re not as hard as steel shafts and can be more difficult to machine. 420 stainless steel and 440C stainless steel shafts have good corrosion resistance. Shafts with chamfered edges have their edges ground to reduce damage to bearings, housings, and other components during installation.
Case-hardened shafts are hardened only on the surface of the shaft, which increases wear resistance while allowing the center to remain soft for absorbing stresses caused by shifting loads.
For technical drawings and 3-D models, click on a part number.
Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | Yield Strength, psi | Each | |
40 mm Dia. (Tolerance: -0.016 mm to 0 mm) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
200 | -0.5 to 0.5 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 00000000 | 000000 |
500 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 00000 |
1,000 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 000000 |
1,200 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 000000 |
1,500 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 000000 |
2,000 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 000000 |
2,500 | -2 to 2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 50,000 | 0000000 | 000000 |
Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microns | Edge Type | Hardness Rating | Hardness | Heat Treatment | Yield Strength, psi | Surface Yield Strength, psi | Each | |
40 mm Dia. (Tolerance: -0.01 mm to 0 mm) | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
500 | -1 to 1 | 0.03 mm per 300 mm | 0.2 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 84,000 | 140,000 | 00000000 | 000000 |
750 | -1 to 1 | 0.03 mm per 300 mm | 0.2 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 84,000 | 140,000 | 00000000 | 000000 |
1,500 | -1 to 1 | 0.03 mm per 300 mm | 0.2 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 84,000 | 140,000 | 00000000 | 000000 |
2,000 | -1 to 1 | 0.03 mm per 300 mm | 0.2 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 84,000 | 140,000 | 00000000 | 000000 |
Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness | Edge Type | Hardness Rating | Hardness | Heat Treatment | Yield Strength, psi | Each | |
40 mm Dia. (Tolerance: -0.025 mm to -0.009 mm) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
150 | -0.5 to 0.5 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 000000 |
200 | -0.5 to 0.5 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 00000 |
400 | -0.5 to 0.5 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 000000 |
500 | -0.8 to 0.8 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 000000 |
800 | -0.8 to 0.8 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 000000 |
1,200 | -0.8 to 0.8 | 0.050 mm per 300 mm | 0.4 microns | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 57,000 | 00000000 | 000000 |
Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | Yield Strength, psi | Each | |
40 mm Dia. (Tolerance: -0.016 mm to 0 mm) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
500 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 0000000 |
600 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 000000 |
800 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 000000 |
1,000 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 000000 |
1,200 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 000000 |
1,500 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 33,000 | 0000000 | 000000 |
Hollow Linear Motion Shafts


Lighter than solid shafts, hollow shafts reduce your total system weight and allow you to run various media such as electrical wiring, compressed air tubing, coolants, or lubricants through the center. Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. Shafts are case-hardened to increase hardness and wear resistance. Interior is unfinished; exterior is turned, ground, and polished to tight diameter and straightness tolerances. All are chamfered to remove sharp edges and reduce damage to bearings, housings, and other components during installation.
1055 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. They're easier to machine than 52100 alloy steel shafts.
For technical drawings and 3-D models, click on a part number.
Lg. | Lg. Tolerance | Dia. Tolerance | ID Tolerance | Surface Smoothness, microinch | Hardness Rating | Hardness | Yield Strength, psi | Surface Yield Strength, psi | Each | |
Metric—1055 Carbon Steel | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
40mm Dia. (27mm ID) | ||||||||||
500mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 0000000 |
1,000mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
1,500mm | -1.2mm to 1.2mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
Rotary Shafts

Combine these general purpose drive shafts with gears, sprockets, and bearings to transmit rotary motion. All are precision ground to meet tight diameter and straightness tolerances.
Steel shafts are generally stronger than stainless steel shafts but not as corrosion resistant. 1566 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. Stainless steel shafts are more corrosion resistant than steel shafts but also more difficult to machine. 303 and 440C stainless steel shafts have good corrosion resistance. Shafts with chamfered edges have their edges ground to reduce damage to bearings, housings, and other components during installation.
For technical drawings and 3-D models, click on a part number.
Lg. | Lg. Tolerance | Straightness Tolerance | Edge Type | Hardness Rating | Hardness | Yield Strength, psi | Each | |
Metric—1566 Carbon Steel | ||||||||
---|---|---|---|---|---|---|---|---|
40mm Dia. (Tolerance: -0.01mm to 0mm) | ||||||||
200mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 000000 |
400mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 00000 |
500mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 00000 |
1,000mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 000000 |
1,200mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 000000 |
1,500mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 000000 |
2,000mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C60 | 84,000 | 0000000 | 000000 |
Metric—440C Stainless Steel | ||||||||
40mm Dia. (Tolerance: -0.01mm to 0mm) | ||||||||
200mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 00000 |
400mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
500mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
1,000mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
1,200mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
1,500mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
2,000mm | 1.588mm to 1.588mm | 0.03 mm per 300 mm | Chamfered | Very Hard | Rockwell C50 | 65,000 | 0000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.


Keyway | ||||||||
---|---|---|---|---|---|---|---|---|
Lg. | Lg. | Wd. | Dp. | ANSI Keys Included | Edge Type | Yield Strength, psi | Each | |
Metric—1045 Carbon Steel (Rockwell B95) | ||||||||
40mm Dia. | ||||||||
300mm | 300mm | 12mm | 5mm | No | Chamfered | 75,000 | 00000000 | 000000 |
500mm | 500mm | 12mm | 5mm | No | Chamfered | 75,000 | 00000000 | 00000 |
1,000mm | 1,000mm | 12mm | 5mm | No | Chamfered | 75,000 | 00000000 | 000000 |
1,200mm | 1,200mm | 12mm | 5mm | No | Chamfered | 75,000 | 00000000 | 000000 |
1,500mm | 1,500mm | 12mm | 5mm | No | Chamfered | 75,000 | 00000000 | 000000 |
1,800mm | 1,800mm | 12mm | 5mm | No | Chamfered | 75,000 | 0000000 | 000000 |
Splined Shafts for Rotary and Linear Motion

Grooves on the surface of these shafts transmit rotary power while allowing bearings to move freely along the length of the shaft. 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.
Four Splines
Shafts with four splines work with ball spline bearings, which create relatively little friction. They're commonly found in robotic and other automated systems that require complex, fast movements. They don't transmit as much torque as shafts with six splines.
All four-spline shafts are 52100 alloy steel for high strength. They're case-hardened to increase hardness and wear resistance on the surface of the shaft while allowing the center to remain soft for absorbing stresses caused by shifting loads.
For technical drawings and 3-D models, click on a part number.
Multipurpose Flame-Retardant Garolite G-10/FR4 Rods

- Color: See Table
- Temperature Range: -100° F to 245° F
- Tensile Strength: 35,000-50,000 psi (Excellent)
- Impact Strength: 5.5-12 ft.-lbs./in. (Excellent)
- Hardness: Rockwell M115 (Extra Hard)
- For Use Outdoors: Yes
- Specifications Met: MIL-I-24768/27, UL 94 V-0
Made of a flame-retardant epoxy resin with fiberglass fabric reinforcement, these G-10/FR4 rods are a good all-around choice. They are strong, machinable, and electrically insulating. Garolite G-10/FR4 is also called epoxy-grade industrial laminate and phenolic.
For technical drawings and 3-D models, click on a part number.
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 | 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 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M20 | 40 | 40 | 60 | 46 | 10 | 1 | 5 | Rockwell C58 | 1,300 | 0.1 | 5° to 175° | 0000000 | 0000000 |