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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Steel Balls
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Multipurpose Low-Carbon Steel—Low-carbon steel balls are our easiest steel balls to machine. They are often used for parts that don’t require high strength, such as knobs. These balls can be surface hardened with heat treating for added wear resistance.
Dia. | Dia. Tolerance | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Appearance | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Multipurpose Low-Carbon Steel | |||||||||||
| 1/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K71 | 00000 | ||
| 3/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K72 | 0000 | ||
| 7/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K111 | 00000 | ||
| 1/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K49 | 0000 | ||
| 9/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K112 | 00000 | ||
| 5/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K73 | 0000 | ||
| 11/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 750 | 96455K113 | 00000 | ||
| 3/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K51 | 0000 | ||
| 7/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K74 | 0000 | ||
| 1/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K52 | 0000 | ||
| 17/64" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K114 | 00000 | ||
| 9/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K75 | 00000 | ||
| 5/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K53 | 0000 | ||
| 11/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K76 | 0000 | ||
| 3/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K54 | 00000 | ||
| 13/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K115 | 00000 | ||
| 7/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K55 | 0000 | ||
| 15/32" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K116 | 00000 | ||
| 1/2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K56 | 00000 | ||
| 9/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K57 | 00000 | ||
| 5/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K58 | 00000 | ||
| 11/16" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K117 | 00000 | ||
| 3/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K59 | 00000 | ||
| 7/8" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 20 | 96455K77 | 00000 | ||
| 1" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 10 | 96455K62 | 00000 | ||
| 1 1/4" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 5 | 96455K118 | 00000 | ||
| 1 1/2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 5 | 96455K119 | 00000 | ||
| 2" | -0.005" to 0.005" | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1 | 96455K121 | 00000 | ||
| 1 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K122 | 00000 | ||
| 1.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K123 | 00000 | ||
| 2 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K124 | 00000 | ||
| 2.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,500 | 96455K125 | 00000 | ||
| 3 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K126 | 00000 | ||
| 3.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K127 | 00000 | ||
| 4 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 1,000 | 96455K128 | 00000 | ||
| 4.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K129 | 00000 | ||
| 5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K131 | 00000 | ||
| 5.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 500 | 96455K132 | 00000 | ||
| 6 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K133 | 00000 | ||
| 6.5 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K134 | 00000 | ||
| 7 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K135 | 00000 | ||
| 8 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K136 | 00000 | ||
| 9 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 250 | 96455K137 | 00000 | ||
| 10 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K138 | 00000 | ||
| 12 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K139 | 00000 | ||
| 13 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K141 | 00000 | ||
| 14 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 100 | 96455K142 | 00000 | ||
| 15 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K143 | 00000 | ||
| 16 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 50 | 96455K144 | 00000 | ||
| 18 mm | -0.13 mm to 0.13 mm | Case Hardened | 44,000 | Tumbled | Rockwell C60 (Extra Hard) | Mirror Like | 25 | 96455K145 | 00000 | ||
