Brass Balls | McMaster-Carr

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	Material Material	Show

Brass

	Material Material	Hide

	Appearance Appearance

Mirror-Like

	Shape Shape

	Ball

	System of Measurement System of Measurement

Inch

	Diameter Diameter

	Thread Size Thread Size

	Hardness Rating Hardness Rating

Medium

Rockwell B75

	Density Density

0.308 lbs./cu. in.

	Heat Treatable Heat Treatable

	Mechanical Finish Mechanical Finish

Tumbled

	Melting Point Temperature Melting Point Temperature

1680° F

	Modulus of Elasticity Modulus of Elasticity

16.0 ksi × 10³

	Surface Resistivity Surface Resistivity

37.5 Ohms

	Temper Temper

Not Rated

	Temper Rating Temper Rating

Not Rated

	Thermal Conductivity Thermal Conductivity

70 Btu/hr. × ft./°F @ 68° F

	Yield Strength Yield Strength

57,000 psi

	Tolerance Rating Tolerance Rating

Standard

	Head Diameter Head Diameter

3/4"

1 3/8"

1 7/8"

	Mount Type Mount Type

	Threaded Hole

	Thread Depth Thread Depth

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36 Products

About Copper, Brass, and Bronze

Yield Strength: 57,000 psi
Hardness: Rockwell B75 (Medium)
Temper: Not Rated
Heat Treatable: No

The most formable brass we offer, 260 offers better weldability than 300 series brass but it’s not as machinable. Sometimes called cartridge brass, it's commonly used for ammunition casings, radiator components, and decorative door hardware.

For technical drawings and 3-D models, click on a part number.

Mirror-Like
Dia.	Dia. Tolerance Range	Mechanical Finish	Pkg. Qty.		Pkg.
1/16"	-0.001" to 0.001"	Tumbled	100	0000000	000000
3/32"	-0.001" to 0.001"	Tumbled	100	0000000	00000
1/8"	-0.001" to 0.001"	Tumbled	100	0000000	0000
5/32"	-0.001" to 0.001"	Tumbled	100	0000000	00000
3/16"	-0.001" to 0.001"	Tumbled	100	0000000	00000
7/32"	-0.001" to 0.001"	Tumbled	100	0000000	00000
1/4"	-0.001" to 0.001"	Tumbled	100	0000000	00000
5/16"	-0.001" to 0.001"	Tumbled	50	0000000	00000
11/32"	-0.001" to 0.001"	Tumbled	25	0000000	00000
3/8"	-0.001" to 0.001"	Tumbled	25	0000000	00000
7/16"	-0.001" to 0.001"	Tumbled	10	0000000	00000
1/2"	-0.001" to 0.001"	Tumbled	10	0000000	00000
9/16"	-0.001" to 0.001"	Tumbled	10	0000000	00000
5/8"	-0.001" to 0.001"	Tumbled	10	0000000	00000
3/4"	-0.001" to 0.001"	Tumbled	5	0000000	00000

Threaded-Hole Ball Knobs

Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.

Brass knobs have good corrosion resistance and are nonmagnetic.

For technical drawings and 3-D models, click on a part number.

Thread				Each
Size	Dp.	Head Dia.		1-9	10-Up
Style 1
Brass
10-24	3/8"	3/4"	00000000	00000	00000
10-32	3/8"	3/4"	00000000	0000	0000
10-32	3/8"	1"	00000000	0000	0000
1/4"-20 1/4"-20" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/4"-20"/>	1/2"	1"	00000000	0000	0000
1/4"-20 1/4"-20" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/4"-20"/>	5/8"	1 3/8"	00000000	0000	0000
1/4"-28 1/4"-28" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/4"-28"/>	1/2"	1"	00000000	0000	0000
5/16"-18 5/16"-18" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 5/16"-18"/>	1/2"	1"	00000000	0000	0000
5/16"-18 5/16"-18" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 5/16"-18"/>	5/8"	1 3/8"	00000000	0000	0000
5/16"-24 5/16"-24" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 5/16"-24"/>	1/2"	1"	00000000	0000	0000
5/16"-24 5/16"-24" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 5/16"-24"/>	5/8"	1 3/8"	00000000	0000	0000
3/8"-16 3/8"-16" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 3/8"-16"/>	1/2"	1"	00000000	0000	0000
3/8"-16 3/8"-16" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 3/8"-16"/>	5/8"	1 3/8"	00000000	0000	0000
3/8"-16 3/8"-16" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 3/8"-16"/>	3/4"	1 7/8"	00000000	00000	00000
3/8"-24 3/8"-24" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 3/8"-24"/>	5/8"	1 3/8"	00000000	0000	0000
3/8"-24 3/8"-24" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 3/8"-24"/>	3/4"	1 7/8"	00000000	00000	00000
7/16"-20 7/16"-20" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 7/16"-20"/>	5/8"	1 3/8"	00000000	0000	0000
1/2"-13 1/2"-13" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/2"-13"/>	5/8"	1 3/8"	00000000	0000	0000
1/2"-13 1/2"-13" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/2"-13"/>	3/4"	1 7/8"	00000000	00000	00000
1/2"-20 1/2"-20" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 1/2"-20"/>	5/8"	1 3/8"	00000000	0000	0000
5/8"-11	3/4"	1 7/8"	00000000	00000	00000
5/8"-18 5/8"-18" src="https://www.mcmaster.com/mvZ/gfx/IndustrialInfo/industrial-information-icon.svg?ver=1594720764" data-filterwithidind="False" width="12" height="12" alt="click to learn more about 5/8"-18"/>	3/4"	1 7/8"	00000000	00000	00000

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About Copper, Brass, and Bronze

260 Brass Balls

Threaded-Hole Ball Knobs

260 Brass Balls

Threaded-Hole Ball Knobs