About Composites
More
Selecting Compatible Lead Screws and Nuts
More
About Shafts
More
Rotary Shafts
Combine these general purpose drive shafts with gears, sprockets, and bearings to transmit rotary motion. All are turned, precision ground, and polished to meet tight diameter and straightness tolerances. This means these shafts evenly distribute loads, reduce vibration, and improve accuracy and stability.
Steel shafts are generally stronger than stainless steel shafts but not as corrosion resistant. Carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use.
Shafts with chamfered edges reduce damage to bearings, housings, and other components during installation.
| Lg. | Lg. Tolerance | Straightness Tolerance | Edge Type | Hardness Rating | Hardness | Each | |
Metric—1045 Carbon Steel | |||||||
|---|---|---|---|---|---|---|---|
40mm Dia. (Tolerance: -0.051mm to 0mm) | |||||||
| 200mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 000000 |
| 400mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 00000 |
| 500mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 00000 |
| 1,000mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 000000 |
| 1,200mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 000000 |
| 1,500mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 0000000 | 000000 |
| 2,000mm | -1.57mm to 1.57mm | 0.3 mm per 300 mm | Chamfered | Medium | Brinell 197 | 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, or 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.
Keyway | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lg. | Lg. | Wd. | Dp. | ANSI Keys Included | Straightness Tolerance | Edge Type | Hardness Rating | Hardness | Each | |
Metric—1045 Carbon Steel | ||||||||||
40mm Dia. (Tolerance: -0.076mm to 0mm) | ||||||||||
| 300mm | 300mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 00000000 | 0000000 |
| 500mm | 500mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 00000000 | 000000 |
| 1,000mm | 1,000mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 00000000 | 000000 |
| 1,200mm | 1,200mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 00000000 | 000000 |
| 1,500mm | 1,500mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 00000000 | 000000 |
| 1,800mm | 1,800mm | 12mm | 5mm | No | 0.33 mm per 300 mm | Chamfered | Medium | Rockwell B95 | 0000000 | 000000 |
Linear Motion Shafts
Smooth, hard, and wear resistant, these 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. 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. Carbon steel shafts are good for general purpose use.
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 and 440C stainless steel shafts have good corrosion resistance and are harder than 17-4 PH stainless steel shafts, so they better resist wear.
Surface smoothness—The lower the microinch value, the smoother the finish and the less friction and wear it will cause on the bearing.
| Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | 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 | 00000000 | 000000 |
| 500 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 00000 |
| 1,000 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 000000 |
| 1,200 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 000000 |
| 1,500 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 000000 |
| 2,000 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 000000 |
| 2,500 | -2 to 2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C59 | Case Hardened | 0000000 | 000000 |
| Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | Each | |
40 mm Dia. (Tolerance: -0.01 mm to 0 mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 750 | -1 to 1 | 0.03 mm per 300 mm | 8 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 00000000 | 0000000 |
| Lg., mm | Lg. Tolerance, mm | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | 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 | 0000000 | 0000000 |
| 600 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 0000000 | 000000 |
| 800 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 0000000 | 000000 |
| 1,000 | -0.8 to 0.8 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 0000000 | 000000 |
| 1,200 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 0000000 | 000000 |
| 1,500 | -1.2 to 1.2 | 0.03 mm per 300 mm | 12 | Chamfered | Very Hard | Rockwell C52 | Case Hardened | 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. These shafts are smooth, hard, and wear resistant, so they 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 exterior of these shafts is turned, ground, and polished to tight diameter and straightness tolerances. The interior is unfinished.
These shafts are hardened on the surface, so they stand up to repeated motion. All have chamfered ends to remove sharp edges and reduce damage to bearings, housings, and other components during installation.
Carbon steel shafts are strong and good for general purpose use.
Surface smoothness—The lower the microinch value, the smoother the finish and the less friction and wear it will cause on the bearing.
| Lg. | Lg. Tolerance | Dia. Tolerance | ID Tolerance | Surface Smoothness, microinch | Hardness Rating | Hardness | Each | |
Metric—1055 Carbon Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
40mm Dia. (26mm ID) | ||||||||
| __ | __ | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 00000000 | 00 |
| 500mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 0000000 | 0000000 |
| 1,000mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 0000000 | 000000 |
| 1,500mm | -1.2mm to 1.2mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 0000000 | 000000 |
Ball Splines and Bearings
Create a compact linear and rotary motion system for applications requiring complex, fast movements, such as robotics. The grooves on the ball splines transmit rotary power as ball bearings move smoothly and precisely along their length, even at high speeds.
Ball splines are alloy steel for high strength and wear resistance. They're hardened on the outside for additional wear resistance while the center is soft enough to absorb stress from shifting loads.
Bearings have a retaining ring groove, so they can be positioned in your system with a retaining ring (not included). Bearings with a keyway include a machine key for attaching your load. Flanged bearings have a surface with mounting holes for attaching your load.
Spline | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dia., mm | Dia. Tolerance, mm | Lg., mm | Lg. Tolerance, mm | Lg., mm | No. of | Root Dia., mm | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Heat Treatment | Each | |
Metric—52100 Alloy Steel | |||||||||||||
Splined on Both Ends | |||||||||||||
| 40 | -0.02 to 0 | 400 | -0.05 to 0.05 | 400 | 4 | 35.5 | 16 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 000000000 | 0000000 |
| 40 | -0.02 to 0 | 700 | -0.08 to 0.08 | 700 | 4 | 35.5 | 16 | Chamfered | Very Hard | Rockwell C60 | Case Hardened | 000000000 | 000000 |
Material | Keyway | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Spline Dia., mm | For No. of Splines | Overall Lg., mm | OD, mm | Bearing | Ball | Dynamic Load Cap., lbs. | Max. Dynamic Torque, in.-lbs. | With Retaining Ring Grooves | Includes | Dp., mm | Lg., mm | Wd., mm | Each | |
| 40 | 4 | 100 | 64 | Steel | Steel | 6,900 | 5,964 | Yes | Machine Key | 3.5 | 52 | 6 | 00000000 | 0000000 |
Material | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Spline Dia., mm | For No. of Splines | Overall Lg., mm | Flange OD, mm | OD, mm | Bearing | Ball | Dynamic Load Cap., lbs. | Max. Dynamic Torque, in.-lbs. | With Retaining Ring Grooves | Number of Mounting Holes | Each | |
| 40 | 4 | 100 | 100 | 64 | Steel | Steel | 6,900 | 5,964 | Yes | 4 | 000000000 | 0000000 |
Low-Carbon Steel Rods and Discs
- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Fabrication: 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 low-strength fasteners, pins, and axles. You can surface harden this material for added wear resistance. All have been manufactured to meet ASTM standards for quality and performance.
Cold-worked rods and discs have a finished look and quality. The cold-working process gives the steel consistent strength, hardness, and dimensions throughout.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Dia., mm | Dia. Tolerance, mm | Yield Strength, psi  | Fabrication | Hardness | Max. Hardness After Heat Treatment | Mechanical Finish | Specifications Met | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 4 ft. Lg. | 6 ft. Lg. | 8 ft. Lg. | |
| 40 | -0.02 to 0 | 50,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | Ground, Polished, Turned | ASTM A108 | 00000000 | |||||||
| 40 | -0.07 to 0 | 54,000 | Cold Worked | Rockwell B70 (Medium) | Not Rated | __ | ASTM A108 | 0000000 |
Tight-Tolerance Low-Carbon Steel Rods
- Yield Strength: Not Rated
- Hardness: Not Rated
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: See table
- Fabrication: Cold Drawn
- 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 low-strength fasteners, pins, and axles. For added wear resistance, this material can be surface hardened with heat treating. All have been manufactured to meet ASTM A108 standards for quality and performance.
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
- Fabrication: Cold Worked
- 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, such as shaft couplings, studs, and pins. These rods meet ASTM A108 quality and performance standards. For added wear resistance, they can be surface hardened with heat treating.
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)
- Fabrication: Hot Rolled
A chrome plating on these rods increases their corrosion resistance. They're also hardened, which makes them more resistant to impacts and abrasion. Also known as chrome-moly steel, this versatile 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.
Note: Rods may be made from either 4140 or 4142 alloy steel. They are interchangeable in most applications.
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
- Fabrication: Cold Drawn
- 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 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 added wear resistance, you can surface harden these rods with heat treating. They are manufactured to ASTM A108 standards for performance and quality.
Note: Rods may be made from either 4140 or 4142 alloy steel. They are interchangeable in most applications.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Easy-to-Machine High-Strength Multipurpose 4140 Alloy Steel Rods
- Yield Strength: 130,000 psi
- Hardness: Rockwell C32 (Hard)
- Fabrication: Cold Worked
- Specifications Met: ASTM A108
Often called ETD-150, this modified alloy steel is drawn at high temperatures for excellent strength and machinability. Also known as chrome-moly steel, 4140 alloy steel resists fracturing from repeated stress. It is used for a wide range of parts, such as gears, axles, and shafts. These rods have been hardened for added resistance to abrasion and impact. All have been manufactured to meet ASTM A108 standards for quality and performance.
Note: Rods may be made from either 4140 or 4142 alloy steel. They are interchangeable in most applications.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
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.
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.
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
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
Cold Rolled: ASTM B209
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.
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.
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.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
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, they 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 direction and 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.
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. | Wd. | Ht. | Thick. | No. of Thread Starts | Travel Distance per Turn | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Each | ||
Alloy Steel | |||||||||||||
| C | M20 | 40mm | 40mm | 60mm | 46mm | 10mm | 1 | 5mm | Rockwell C58 | 1,300 | 0.1mm | 0000000 | 0000000 |
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.