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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
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Hard Wear-Resistant 52100 Alloy Steel Balls

- Yield Strength: 295,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Specifications Met: See table
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.
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.
Dia. | Dia. Tolerance | Heat Treatment | Specifications Met | Pkg. Qty. | Pkg. | |
Mirror-Like | ||||||
---|---|---|---|---|---|---|
0.026" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 500 | 00000000 | 000000 |
1/32" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 500 | 00000000 | 00000 |
0.043" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
3/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 00000000 | 00000 |
0.0512" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.0565" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.058" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
1/16" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
0.0656" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.072" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.0761" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
5/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 00000000 | 00000 |
0.0833" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 0000000 | 0000 |
0.09" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
3/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
0.0953" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.0975" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.0981" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.101" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
7/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 00000000 | 00000 |
1/8" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
0.1292" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.1345" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
0.137" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 0000 |
9/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
5/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
11/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
3/16" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
0.194" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 00000 |
7/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
0.2372" | -0.0001" to 0.0001" | Hardened | ASTM A295 | 100 | 00000000 | 00000 |
1/4" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
17/64" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 00000 |
9/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
5/16" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 0000 |
11/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 00000 |
3/8" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 00000 |
13/32" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 00000 |
7/16" | -0.0001" to 0.0001" | Hardened | __ | 100 | 0000000 | 00000 |
15/32" | -0.0001" to 0.0001" | Hardened | __ | 50 | 0000000 | 00000 |
1/2" | -0.0001" to 0.0001" | Hardened | __ | 50 | 0000000 | 00000 |
17/32" | -0.0001" to 0.0001" | Hardened | __ | 50 | 0000000 | 00000 |
9/16" | -0.0001" to 0.0001" | Hardened | __ | 50 | 0000000 | 00000 |
19/32" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
5/8" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
21/32" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
11/16" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
23/32" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
3/4" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 00000 |
25/32" | -0.0001" to 0.0001" | Hardened | __ | 10 | 0000000 | 0000 |
13/16" | -0.0001" to 0.0001" | Hardened | __ | 20 | 0000000 | 00000 |
7/8" | -0.0001" to 0.0001" | Hardened | __ | 10 | 0000000 | 00000 |
15/16" | -0.0001" to 0.0001" | Hardened | __ | 10 | 0000000 | 00000 |
1" | -0.0001" to 0.0001" | Hardened | __ | 5 | 0000000 | 00000 |
1 1/16" | -0.0001" to 0.0001" | Hardened | __ | 5 | 0000000 | 00000 |
1 1/8" | -0.0001" to 0.0001" | Hardened | __ | 5 | 0000000 | 00000 |
1 3/16" | -0.0001" to 0.0001" | Hardened | __ | 1 | 0000000 | 0000 |
1 1/4" | -0.0001" to 0.0001" | Hardened | __ | 1 | 0000000 | 0000 |
1 5/16" | -0.0001" to 0.0001" | Hardened | __ | 4 | 0000000 | 00000 |
1 3/8" | -0.0001" to 0.0001" | Hardened | __ | 1 | 0000000 | 0000 |
1 7/16" | -0.0001" to 0.0001" | Hardened | __ | 2 | 0000000 | 00000 |
1 1/2" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 0000 |
1 9/16" | -0.0002" to 0.0002" | Hardened | __ | 1 | 00000000 | 00000 |
1 5/8" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 00000 |
1 11/16" | -0.0002" to 0.0002" | Hardened | __ | 1 | 00000000 | 00000 |
1 3/4" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 00000 |
1 7/8" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 00000 |
2" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 00000 |
2 1/8" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 00000 |
2 1/4" | -0.0005" to 0.0005" | Hardened | __ | 1 | 0000000 | 00000 |
2 3/8" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 000000 |
2 1/2" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 000000 |
2 5/8" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 000000 |
2 3/4" | -0.0002" to 0.0002" | Hardened | __ | 1 | 0000000 | 000000 |
3" | -0.0005" to 0.0005" | Hardened | __ | 1 | 0000000 | 000000 |
3 1/4" | -0.0005" to 0.0005" | Hardened | __ | 1 | 00000000 | 000000 |
3 1/2" | -0.0005" to 0.0005" | Hardened | __ | 1 | 00000000 | 000000 |
4" | -0.0005" to 0.0005" | Hardened | __ | 1 | 00000000 | 000000 |
4 1/2" | -0.003" to 0.003" | Hardened | __ | 1 | 00000000 | 000000 |
1mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
1.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
2mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
2.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
3mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
3.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
4mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
4.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 50 | 0000000 | 0000 |
5mm | -0.0025mm to 0.0025mm | Hardened | __ | 100 | 0000000 | 0000 |
5.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 50 | 0000000 | 0000 |
6mm | -0.0025mm to 0.0025mm | Hardened | __ | 50 | 0000000 | 0000 |
6.5mm | -0.0025mm to 0.0025mm | Hardened | __ | 50 | 0000000 | 0000 |
7mm | -0.0025mm to 0.0025mm | Hardened | __ | 50 | 0000000 | 0000 |
8mm | -0.0025mm to 0.0025mm | Hardened | __ | 25 | 0000000 | 0000 |
9mm | -0.0025mm to 0.0025mm | Hardened | __ | 20 | 0000000 | 0000 |
10mm | -0.0025mm to 0.0025mm | Hardened | __ | 20 | 0000000 | 0000 |
12mm | -0.0025mm to 0.0025mm | Hardened | __ | 10 | 0000000 | 0000 |
13mm | -0.0025mm to 0.0025mm | Hardened | __ | 5 | 0000000 | 0000 |
14mm | -0.0025mm to 0.0025mm | Hardened | __ | 5 | 0000000 | 0000 |
15mm | -0.0025mm to 0.0025mm | Hardened | __ | 5 | 0000000 | 0000 |
16mm | -0.0025mm to 0.0025mm | Hardened | __ | 5 | 0000000 | 0000 |
18mm | -0.0025mm to 0.0025mm | Hardened | __ | 3 | 0000000 | 0000 |
24mm | -0.0025mm to 0.0025mm | Hardened | __ | 3 | 0000000 | 00000 |
Tight-Tolerance Hard Wear-Resistant 52100 Alloy Steel Balls

- Yield Strength: 295,000psi
- Hardness: Rockwell C60 (Very Hard)
- Specifications Met: ASTM A295
The diameter on these balls is held to a precise tolerance. Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.
For technical drawings and 3-D models, click on a part number.
Dia. | Dia. Tolerance | Heat Treatment | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
---|---|---|---|---|---|
1/16" | -0.00005" to 0.00005" | Hardened | 5 | 00000000 | 00000 |
1/8" | -0.00005" to 0.00005" | Hardened | 5 | 0000000 | 0000 |
9/64" | -0.00005" to 0.00005" | Hardened | 5 | 0000000 | 0000 |
5/32" | -0.00005" to 0.00005" | Hardened | 5 | 0000000 | 0000 |
3/16" | -0.00005" to 0.00005" | Hardened | 5 | 0000000 | 0000 |
7/32" | -0.00005" to 0.00005" | Hardened | 5 | 0000000 | 00000 |
1/4" | -0.00005" to 0.00005" | Hardened | 2 | 0000000 | 0000 |
9/32" | -0.00005" to 0.00005" | Hardened | 2 | 0000000 | 0000 |
5/16" | -0.00005" to 0.00005" | Hardened | 2 | 0000000 | 0000 |
3/8" | -0.00005" to 0.00005" | Hardened | 2 | 0000000 | 0000 |
7/16" | -0.00005" to 0.00005" | Hardened | 1 | 0000000 | 0000 |
15/32" | -0.00005" to 0.00005" | Hardened | 1 | 0000000 | 0000 |
1/2" | -0.00005" to 0.00005" | Hardened | 1 | 0000000 | 0000 |
17/32" | -0.00005" to 0.00005" | Hardened | 1 | 0000000 | 00000 |
Hard Wear-Resistant 52100 Alloy Steel Rods

- Yield Strength: Not Rated
- Hardness: Rockwell C24 (Hard)
- Heat Treatable: Yes
- Specifications Met: ASTM A108, ASTM A295
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. It’s used for parts such as bearings, bushings, and punches.
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.
Dia. | Dia. Tolerance | Heat Treatment | Straightness Tolerance | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
3/16" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1/4" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
5/16" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
3/8" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
7/16" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
1/2" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
9/16" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 00000000 | |||
5/8" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
11/16" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 000000 | |||
3/4" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
7/8" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 1/8" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 1/4" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 3/8" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 1/2" | -0.006" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 5/8" | -0.007" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
1 3/4" | -0.007" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
2" | -0.007" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
2 1/2" | -0.007" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 | |||
3" | -0.008" to 0" | Annealed (Softened) | 3/16" per 10 ft. | 0000000 |
Hard Wear-Resistant 52100 Alloy Steel Tubes

- Yield Strength: See table
- Hardness: See table
- Heat Treatable: Yes
- Maximum Hardness After Heat Treatment: Rockwell C60
- Specifications Met: ASTM A295
Easier to machine than 52100 alloy steel rods, these extremely hard and wear-resistant tubes are often used to create bearings, bushings, and other cylindrical parts that are under constant stress. They’re also known as chrome steel.
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.
OD | OD Tolerance | ID | ID Tolerance | Yield Strength, psi | Hardness | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
0.245" Wall Thickness (-0.0123" to 0.0123" Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
1.207" | -0.005" to 0.005" | 0.717" | -0.01" to 0.01" | 140,000 | Rockwell B100 | 0000000 | |||
0.309" Wall Thickness (-0.0155" to 0.0155" Tolerance) | |||||||||
1.315" | -0.005" to 0.005" | 0.697" | -0.01" to 0.01" | 140,000 | Rockwell B100 | 0000000 | |||
0.353" Wall Thickness (-0.0176" to 0.0176" Tolerance) | |||||||||
1.551" | -0.005" to 0.005" | 0.846" | -0.01" to 0.01" | 140,000 | Rockwell B100 | 0000000 | |||
0.382" Wall Thickness (-0.0191" to 0.0191" Tolerance) | |||||||||
2.071" | -0.006" to 0.006" | 1.253" | -0.01" to 0.01" | 140,000 | Rockwell B100 | 0000000 | |||
0.472" Wall Thickness (-0.0236" to 0.0236" Tolerance) | |||||||||
2.57" | -0.008" to 0.008" | 1.627" | -0.01" to 0.01" | 140,000 | Rockwell B100 | 0000000 | |||
0.807" Wall Thickness (-0.061" to 0.061" Tolerance) | |||||||||
3.138" | -0.019" to 0.019" | 1.524" | Not Rated | 50,000 | Rockwell B95 | 0000000 |
Hard Wear-Resistant 52100 Alloy Steel Wire

- Yield Strength: Not Rated
- Hardness: Rockwell B95 (Medium)
- Heat Treatable: Yes
- Tensile Strength: 105,900 psi
Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. This wire is often used for small-diameter bearings, bushings, and punches.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Diameter | Diameter Tolerance | Length, ft. | Heat Treatment | Weight, lbs. | Container Type | Each | |
0.051" | -0.002" to 0.002" | 165 | Annealed (Softened) | 1 | Spool | 00000000 | 000000 |
0.075" | -0.002" to 0.002" | 58 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.103" | -0.002" to 0.002" | 36 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.126" | -0.002" to 0.002" | 26 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.142" | -0.002" to 0.002" | 16 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.165" | -0.002" to 0.002" | 14 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.19" | -0.002" to 0.002" | 10 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
0.218" | -0.002" to 0.002" | 8 | Annealed (Softened) | 1 | Spool | 00000000 | 00000 |
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.
Dia. | Dia. Tolerance | Finish Thick. | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
1/2" | -0.0015" to 0" | 0.0005" | 000000 | |||||
3/4" | -0.0015" to 0" | 0.0005" | 0000000 | |||||
1" | -0.002" to 0" | 0.0005" | 0000000 | |||||
1 1/4" | -0.002" to 0" | 0.0005" | 0000000 | |||||
1 3/8" | -0.002" to 0" | 0.0005" | 00000000 | |||||
1 1/2" | -0.002" to 0" | 0.0005" | 0000000 | |||||
1 3/4" | -0.002" to 0" | 0.0005" | 00000000 | |||||
2" | -0.002" to 0" | 0.0005" | 0000000 | |||||
2 1/4" | -0.002" to 0" | 0.0005" | 00000000 | |||||
2 1/2" | -0.002" to 0" | 0.0005" | 00000000 | |||||
3" | -0.002" to 0" | 0.0005" | 00000000 | |||||
4 1/2" | -0.004" to 0" | 0.0005" | 00000000 | |||||
25mm | -0.038mm to 0mm | 0.0005" | 00000000 | |||||
32mm | -0.038mm to 0mm | 0.0005" | 0000000 | |||||
35mm | -0.038mm to 0mm | 0.0005" | 0000000 | |||||
36mm | -0.038mm to 0mm | 0.0005" | 0000000 | |||||
40mm | -0.038mm to 0mm | 0.0005" | 0000000 | |||||
45mm | -0.038mm to 0mm | 0.0005" | 00000000 | |||||
50mm | -0.038mm to 0mm | 0.0005" | 00000000 | |||||
63mm | -0.038mm to 0mm | 0.0005" | 00000000 | |||||
65mm | -0.051mm to 0mm | 0.0005" | 00000000 | |||||
70mm | -0.051mm to 0mm | 0.0005" | 00000000 | |||||
80mm | -0.077mm to 0mm | 0.0005" | 00000000 |
Hardened Multipurpose 4140 Alloy Steel Hex Bars

- Yield Strength: 105,000 psi
- Hardness: Rockwell C35 (Hard)
- Specifications Met: ASTM A29, ASTM A108, ASTM A193
These hex bars are hardened for increased abrasion and impact resistance. They are also stress relieved to reduce the chance of warping during machining. 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.
Wd. | Wd. Tolerance | Heat Treatment | 1/2 ft. Lg. | 1 ft. Lg. | 2 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | 10 ft. Lg. | |
5/8" | -0.007" to 0.007" | Hardened, Stress Relieved | 0000000 | ||||||
3/4" | -0.007" to 0.007" | Hardened, Stress Relieved | 0000000 | ||||||
7/8" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1 1/8" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1 1/4" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1 3/8" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1 1/2" | -0.008" to 0.008" | Hardened, Stress Relieved | 0000000 | ||||||
1 3/4" | -0.009" to 0.009" | Hardened, Stress Relieved | 0000000 | ||||||
2" | -0.009" to 0.009" | Hardened, Stress Relieved | 0000000 |
Multipurpose 4140 Alloy Steel Hex Bars

- Yield Strength: 60,000 psi
- Hardness: Rockwell B90 (Medium)
- Heat Treatable: Yes
- Max. Hardness After Heat Treatment: Not Rated
- Specifications Met: ASTM A108, ASTM A304
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.
Wd., mm | Wd. Tolerance, mm | Heat Treatment | 1 ft. Lg. | 3 ft. Lg. | 6 ft. Lg. | |
5 | -0.051 to 0 | Annealed (Softened) | 000000 | |||
7 | -0.051 to 0 | Annealed (Softened) | 000000 | |||
10 | -0.051 to 0 | Annealed (Softened) | 000000 | |||
12 | -0.051 to 0 | Annealed (Softened) | 000000 | |||
15 | -0.051 to 0 | Annealed (Softened) | 000000 | |||
20 | -0.013 to 0 | Annealed (Softened) | 000000 | |||
27 | -0.013 to 0 | Annealed (Softened) | 000000 | |||
50 | -0.102 to 0 | Annealed (Softened) | 000000 |
Chrome-Plated Low-Carbon Steel Rods

- Yield Strength: 45,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Heat Treatable: No
- Specifications Met: SAE AMS2406, SAE AMS-QQ-C-320
The matte plating on these rods increases corrosion resistance and wear resistance. 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.
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.
Dia. | Dia. Tolerance | 1/2 ft. Lg. | 1 ft. Lg. | 3 ft. Lg. | |
1/4" | -0.002" to 0.002" | 0000000 | |||
5/16" | -0.002" to 0.002" | 0000000 | |||
3/8" | -0.002" to 0.002" | 0000000 | |||
7/16" | -0.002" to 0.002" | 0000000 | |||
1/2" | -0.002" to 0.002" | 0000000 | |||
9/16" | -0.002" to 0.002" | 0000000 | |||
5/8" | -0.002" to 0.002" | 0000000 | |||
3/4" | -0.002" to 0.002" | 0000000 | |||
7/8" | -0.002" to 0.002" | 0000000 | |||
15/16" | -0.002" to 0.002" | 0000000 | |||
1" | -0.002" to 0.002" | 0000000 | |||
1 1/8" | -0.002" to 0.002" | 0000000 | |||
1 1/4" | -0.002" to 0.002" | 0000000 | |||
1 3/8" | -0.002" to 0.002" | 0000000 | |||
1 1/2" | -0.002" to 0.002" | 0000000 | |||
1 5/8" | -0.002" to 0.002" | 0000000 | |||
1 3/4" | -0.002" to 0.002" | 0000000 | |||
2" | -0.002" to 0.002" | 0000000 |