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Appearance Appearance |
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Hardness Rating Hardness Rating |
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Hardness Hardness |
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Heat Treatment Heat Treatment |
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Yield Strength Yield Strength |
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Certificate Certificate |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Fabrication Fabrication |
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Mechanical Finish Mechanical Finish |
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Heat Treatable Heat Treatable |
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Specifications Met Specifications Met |
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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron
More
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 ACTIVITY 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 | 0000 |
| 1/2" | -0.0001" to 0.0001" | Hardened | __ | 50 | 0000000 | 0000 |
| 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 | 0000 |
| 5/8" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 0000 |
| 21/32" | -0.0001" to 0.0001" | Hardened | __ | 25 | 0000000 | 0000 |
| 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 | 0000 |
| 15/16" | -0.0001" to 0.0001" | Hardened | __ | 10 | 0000000 | 00000 |
| 1" | -0.0001" to 0.0001" | Hardened | __ | 5 | 0000000 | 0000 |
| 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 | 00000 |
| 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 | 0000 |
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 |
Low-Carbon Steel Balls
- Yield Strength: 44,000 psi
- Hardness: Rockwell C60 (Very Hard)
Low-carbon steel offers good machinability with excellent weldability. It's widely used for parts that don’t require high strength, such as 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 ACTIVITY after your order ships.
| Dia. | Dia. Tolerance | Heat Treatment | Mechanical Finish | Pkg. Qty. | Pkg. | |
Mirror-Like | ||||||
|---|---|---|---|---|---|---|
| 1/16" | -0.005" to 0.005" | Case Hardened | Tumbled | 500 | 00000000 | 00000 |
| 3/32" | -0.005" to 0.005" | Case Hardened | Tumbled | 500 | 00000000 | 0000 |
| 1/8" | -0.005" to 0.005" | Case Hardened | Tumbled | 500 | 00000000 | 0000 |
| 5/32" | -0.005" to 0.005" | Case Hardened | Tumbled | 500 | 00000000 | 0000 |
| 3/16" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 0000 |
| 7/32" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 0000 |
| 1/4" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 0000 |
| 9/32" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 00000 |
| 5/16" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 0000 |
| 11/32" | -0.005" to 0.005" | Case Hardened | Tumbled | 100 | 00000000 | 0000 |
| 3/8" | -0.005" to 0.005" | Case Hardened | Tumbled | 250 | 00000000 | 0000 |
| 7/16" | -0.005" to 0.005" | Case Hardened | Tumbled | 100 | 00000000 | 0000 |
| 1/2" | -0.005" to 0.005" | Case Hardened | Tumbled | 100 | 00000000 | 00000 |
| 9/16" | -0.005" to 0.005" | Case Hardened | Tumbled | 100 | 00000000 | 00000 |
| 5/8" | -0.005" to 0.005" | Case Hardened | Tumbled | 50 | 00000000 | 00000 |
| 3/4" | -0.005" to 0.005" | Case Hardened | Tumbled | 25 | 00000000 | 00000 |
| 7/8" | -0.005" to 0.005" | Case Hardened | Tumbled | 20 | 00000000 | 00000 |
| 1" | -0.005" to 0.005" | Case Hardened | Tumbled | 10 | 00000000 | 0000 |