Stainless Steel Beads | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Material Material	Show

	Material Material	Hide

	Appearance Appearance

Mirror-Like

	Shape Shape

	Ball

	Hardness Rating Hardness Rating

Medium

Hard

Very Hard

	Hardness Hardness

	Tolerance Rating Tolerance Rating

Standard

Tight

	Maximum Temperature Maximum Temperature

250° to 499° F

500° to 999° F

1,000° to 1,999° F

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Specifications Met Specifications Met

ASTM

SAE

ISO

	Yield Strength Yield Strength

Not Rated

	Elongation Elongation

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Minimum Temperature Minimum Temperature

Not Rated

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Heat Treatment Heat Treatment

Hardened

	Heat Treatable Heat Treatable

	Mechanical Finish Mechanical Finish

Tumbled

	Fabrication Fabrication

Cold Worked

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145 Products

About Stainless Steel

Yield Strength: Not Rated
Hardness: Rockwell C60 (Very Hard)
Heat Treatment: Hardened
Specifications Met: SAE AMS5630

These balls are hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating. It's often used for bearings and valves. This material maintains its corrosion resistance in temperatures up to 800° F.

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.

Mirror-Like
Dia.	Dia. Tolerance	Magnetic Properties	Pkg. Qty.		Pkg.
3/64"	-0.0005" to 0.0005"	Magnetic	100	0000000	00000
1/16"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
5/64"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
3/32"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
7/64"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
1/8"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
9/64"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
5/32"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
11/64"	-0.0005" to 0.0005"	Magnetic	100	0000000	00000
3/16"	-0.0005" to 0.0005"	Magnetic	100	0000000	0000
7/32"	-0.0005" to 0.0005"	Magnetic	100	0000000	00000
1/4"	-0.0005" to 0.0005"	Magnetic	100	0000000	00000
9/32"	-0.0005" to 0.0005"	Magnetic	50	0000000	00000
5/16"	-0.0005" to 0.0005"	Magnetic	50	0000000	00000
11/32"	-0.0005" to 0.0005"	Magnetic	50	0000000	00000
3/8"	-0.0005" to 0.0005"	Magnetic	50	0000000	00000
7/16"	-0.0005" to 0.0005"	Magnetic	25	0000000	00000
1/2"	-0.0005" to 0.0005"	Magnetic	10	0000000	0000
9/16"	-0.0005" to 0.0005"	Magnetic	10	0000000	0000
5/8"	-0.0005" to 0.0005"	Magnetic	5	0000000	00000
11/16"	-0.0005" to 0.0005"	Magnetic	5	0000000	00000
3/4"	-0.0005" to 0.0005"	Magnetic	5	0000000	00000
13/16"	-0.0005" to 0.0005"	Magnetic	1	0000000	0000
7/8"	-0.0005" to 0.0005"	Magnetic	1	0000000	0000
15/16"	-0.0005" to 0.0005"	Magnetic	1	0000000	0000
1"	-0.0005" to 0.0005"	Magnetic	1	0000000	0000
1 1/16"	-0.0005" to 0.0005"	Magnetic	1	0000000	0000
1 1/8"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
1 3/16"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
1 1/4"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
1 3/8"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
1 1/2"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
2"	-0.0005" to 0.0005"	Magnetic	1	0000000	00000
3"	-0.0005" to 0.0005"	Magnetic	1	0000000	000000
1mm	-0.0025mm to 0.0025mm	Magnetic	250	0000000	00000
1.5mm	-0.0025mm to 0.0025mm	Magnetic	250	0000000	00000
2mm	-0.0025mm to 0.0025mm	Magnetic	250	0000000	00000
2.5mm	-0.0025mm to 0.0025mm	Magnetic	250	0000000	00000
3mm	-0.0025mm to 0.0025mm	Magnetic	250	0000000	00000
3.5mm	-0.0025mm to 0.0025mm	Magnetic	100	0000000	0000
4mm	-0.0025mm to 0.0025mm	Magnetic	50	0000000	0000
5mm	-0.0025mm to 0.0025mm	Magnetic	50	0000000	00000
6mm	-0.0025mm to 0.0025mm	Magnetic	50	0000000	00000
7mm	-0.0025mm to 0.0025mm	Magnetic	25	0000000	0000
8mm	-0.0025mm to 0.0025mm	Magnetic	25	0000000	00000
10mm	-0.0025mm to 0.0025mm	Magnetic	10	0000000	00000
12mm	-0.0025mm to 0.0025mm	Magnetic	10	0000000	00000
13mm	-0.0025mm to 0.0025mm	Magnetic	5	0000000	0000
14mm	-0.0025mm to 0.0025mm	Magnetic	5	0000000	00000
15mm	-0.0025mm to 0.0025mm	Magnetic	5	0000000	00000
16mm	-0.0025mm to 0.0025mm	Magnetic	3	0000000	00000
18mm	-0.0025mm to 0.0025mm	Magnetic	3	0000000	00000
24mm	-0.0025mm to 0.0025mm	Magnetic	1	0000000	00000

Tight-Tolerance Hardened 440C Stainless Steel

With a diameter that’s held to a close tolerance, this material is hardened for increased wear and abrasion resistance. 440C is one of the hardest types of stainless steel after heat treating. This material maintains its corrosion resistance in temperatures up to 800° F.

Balls have a reflective, mirror-like appearance.

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.

Balls

Yield Strength: Not Rated
Hardness: Rockwell C60 (Very Hard)
Heat Treatment: Hardened
Specifications Met: SAE AMS5630

Mirror-Like
Dia.	Dia. Tolerance	Magnetic Properties	Pkg. Qty.		Pkg.
1/16"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
5/64"	-0.0001" to 0.0001"	Magnetic	50	0000000	0000
3/32"	-0.0001" to 0.0001"	Magnetic	50	0000000	0000
1/8"	-0.0001" to 0.0001"	Magnetic	50	0000000	0000
9/64"	-0.0001" to 0.0001"	Magnetic	25	0000000	00000
5/32"	-0.0001" to 0.0001"	Magnetic	50	0000000	0000
3/16"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
7/32"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
1/4"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
9/32"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
5/16"	-0.0001" to 0.0001"	Magnetic	50	0000000	00000
11/32"	-0.0001" to 0.0001"	Magnetic	25	0000000	00000
3/8"	-0.0001" to 0.0001"	Magnetic	10	0000000	0000
13/32"	-0.0001" to 0.0001"	Magnetic	10	0000000	00000
7/16"	-0.0001" to 0.0001"	Magnetic	10	0000000	00000
1/2"	-0.0001" to 0.0001"	Magnetic	10	0000000	00000
9/16"	-0.0001" to 0.0001"	Magnetic	5	0000000	00000
5/8"	-0.0001" to 0.0001"	Magnetic	5	0000000	00000
11/16"	-0.0001" to 0.0001"	Magnetic	1	0000000	0000
3/4"	-0.0001" to 0.0001"	Magnetic	1	0000000	0000
13/16"	-0.0001" to 0.0001"	Magnetic	1	0000000	0000
7/8"	-0.0001" to 0.0001"	Magnetic	1	0000000	0000
15/16"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1 1/16"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1 1/8"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1 1/4"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1 3/8"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
1 1/2"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000
2"	-0.0001" to 0.0001"	Magnetic	1	0000000	00000

Impact-Resistant 440A Stainless Steel

440A stainless steel resists damage from impact and abrasion.

Balls are hollow. Use them in floats and ball valves. They maintain their corrosion resistance in temperatures up to 250° F.

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.

Balls

Yield Strength: Not Rated
Hardness: Rockwell C55 (Very Hard)
Heat Treatment: Hardened
Specifications Met: SAE AMS-QQ-S-763

Mirror-Like
Dia.	Dia. Tolerance	Mechanical Finish	Magnetic Properties		Each
1"	-0.005" to 0.005"	Tumbled	Magnetic	0000000	000000

Corrosion-Resistant 316 Stainless Steel

The addition of molybdenum gives 316 stainless steel excellent corrosion resistance. Use it in a variety of marine and chemical-processing applications. It maintains its corrosion resistance up to the maximum temperature.

Balls have a reflective, mirror-like finish.

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.

Balls

Yield Strength: Not Rated
Hardness:
Inch Sizes: Rockwell B90 (Medium)
Metric Sizes: Rockwell C25 (Hard)
Heat Treatment: Not Rated
Heat Treatable: No
Specifications Met: Not Rated

316 Stainless Steel
Dia.	Dia. Tolerance	Mechanical Finish	Appearance	Max. Temp., °F	Pkg. Qty.		Pkg.
Inch
1/16"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	100	00000000	000000
3/32"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	100	00000000	00000
1/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	100	00000000	00000
5/32"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	100	00000000	00000
3/16"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	100	00000000	00000
7/32"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	50	00000000	00000
1/4"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	50	00000000	00000
5/16"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	25	00000000	00000
3/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	10	00000000	0000
7/16"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	10	00000000	00000
1/2"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	5	00000000	00000
9/16"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	5	00000000	00000
5/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	5	00000000	00000
3/4"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	0000
7/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
1"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
1 1/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
1 1/4"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
1 3/8"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
1 1/2"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
2"	-0.001" to 0.001"	Tumbled	Mirror-Like	1500°	1	00000000	00000
Metric
2.5mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	250	000000000	0000
3mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	250	00000000	0000
3.5mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	100	000000000	0000
4mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	50	00000000	0000
5mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	50	000000000	0000
6mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	50	000000000	0000
7mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	25	000000000	0000
8mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	25	000000000	00000
10mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	10	000000000	00000
12mm	-0.013mm to 0.013mm	__	Mirror-Like	1110°	10	000000000	00000

Tight-Tolerance Multipurpose 304 Stainless Steel

This material has tighter tolerances than standard 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.

Balls have a reflective, mirror-like finish.

Steel that meets ASTM or SAE specifications complies with standards for materials.

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.

Balls

Yield Strength: Not Rated
Hardness: Rockwell C25 (Hard)
Heat Treatable: No

Mirror-Like
Dia.	Dia. Tolerance	Fabrication	Specifications Met	Pkg. Qty.		Pkg.
1/16"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	00000
3/32"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	0000
1/8"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	0000
5/32"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	0000
3/16"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	0000
7/32"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	00000
1/4"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	00000
9/32"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	00000
5/16"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	50	0000000	00000
11/32"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	25	0000000	00000
3/8"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	25	0000000	00000
7/16"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	25	0000000	00000
1/2"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	15	0000000	00000
5/8"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	5	0000000	00000
3/4"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	5	0000000	00000
1"	-0.0005" to 0.0005"	Cold Worked	ASTM A240, ISO 3290, SAE J405	1	0000000	00000
1 1/4"	-0.001" to 0.001"	Cold Worked	ASTM A240, ISO 3290, SAE J405	1	0000000	00000
1 1/2"	-0.001" to 0.001"	Cold Worked	ASTM A240, ISO 3290, SAE J405	1	0000000	00000
1 3/4"	-0.001" to 0.001"	Cold Worked	ASTM A240, ISO 3290, SAE J405	1	0000000	00000
2"	-0.001" to 0.001"	Cold Worked	ASTM A240, ISO 3290, SAE J405	1	0000000	00000
2.5mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	250	0000000	0000
3mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	250	0000000	0000
3.5mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	100	0000000	0000
4mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	50	0000000	0000
5mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	50	0000000	0000
6mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	50	0000000	00000
7mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	25	0000000	0000
8mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	25	0000000	00000
10mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	10	0000000	0000
12mm	-0.0127mm to 0.0127mm	Cold Worked	ASTM A240, ISO 3290, SAE J405	10	0000000	00000

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About Stainless Steel

Hardened Bearing-Quality 440C Stainless Steel

Tight-Tolerance Hardened 440C Stainless Steel

Impact-Resistant 440A Stainless Steel

Corrosion-Resistant 316 Stainless Steel

Tight-Tolerance Multipurpose 304 Stainless Steel