Carbon Steel Balls | McMaster-Carr

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50 Products

About Steel

Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

Low-Carbon Steel Balls

Yield Strength: 44,000 psi
Hardness: Rockwell C60 (Very Hard)

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.

Mirror-Like
Dia.	Dia. Tolerance	Heat Treatment	Mechanical Finish	Pkg. Qty.		Pkg.
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
7/64"	-0.005" to 0.005"	Case Hardened	Tumbled	1,000	000000000	00000
1/8"	-0.005" to 0.005"	Case Hardened	Tumbled	500	00000000	0000
9/64"	-0.005" to 0.005"	Case Hardened	Tumbled	1,000	000000000	00000
5/32"	-0.005" to 0.005"	Case Hardened	Tumbled	500	00000000	0000
11/64"	-0.005" to 0.005"	Case Hardened	Tumbled	750	000000000	00000
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
17/64"	-0.005" to 0.005"	Case Hardened	Tumbled	500	000000000	00000
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	00000
13/32"	-0.005" to 0.005"	Case Hardened	Tumbled	100	000000000	00000
7/16"	-0.005" to 0.005"	Case Hardened	Tumbled	100	00000000	0000
15/32"	-0.005" to 0.005"	Case Hardened	Tumbled	100	000000000	00000
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
11/16"	-0.005" to 0.005"	Case Hardened	Tumbled	25	000000000	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	00000
1 1/4"	-0.005" to 0.005"	Case Hardened	Tumbled	5	000000000	00000
1 1/2"	-0.005" to 0.005"	Case Hardened	Tumbled	5	000000000	00000
2"	-0.005" to 0.005"	Case Hardened	Tumbled	1	000000000	00000
1mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,500	000000000	00000
1.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,500	000000000	00000
2mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,500	000000000	00000
2.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,500	000000000	00000
3mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,000	000000000	00000
3.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,000	000000000	00000
4mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	1,000	000000000	00000
4.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	500	000000000	00000
5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	500	000000000	00000
5.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	500	000000000	00000
6mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	250	000000000	00000
6.5mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	250	000000000	00000
7mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	250	000000000	00000
8mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	250	000000000	00000
9mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	250	000000000	00000
10mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	100	000000000	00000
12mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	50	000000000	00000
13mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	100	000000000	00000
14mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	100	000000000	00000
15mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	50	000000000	00000
16mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	50	000000000	00000
18mm	-0.13mm to 0.13mm	Case Hardened	Tumbled	25	000000000	00000