Steel Balls | McMaster-Carr

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	Material Material

52100 Alloy Steel

Low-Carbon Steel

S2 Tool Steel

Steel

	Ball Material Ball Material

Steel

	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Appearance Appearance

Mirror-Like

	Shape Shape

	Ball

	Tolerance Rating Tolerance Rating

Standard

Tight

	Hardness Rating Hardness Rating

Very Hard

	Hardness Hardness

Rockwell C52

Rockwell C55

Rockwell C60

	Heat Treatment Heat Treatment

Hardened

Case Hardened

	Mount Type Mount Type

	Yield Strength Yield Strength

44,000 psi

290,000 psi

295,000 psi

	Ball Diameter Ball Diameter

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

DFARS Specialty Metals
COTS-Exempt

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Elongation Elongation

11%

12%

23%

	Maximum Temperature Maximum Temperature

Less than 250° F

Not Rated

	Minimum Temperature Minimum Temperature

Greater than 0° F

Not Rated

	Fabrication Fabrication

Cold Worked

	Shank Diameter Shank Diameter

	Thread Size Thread Size

	Tooling Ball Style Tooling Ball Style

Shoulder

Standard

	Working Orientation Working Orientation


Ball Up	Ball Down

Angle

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376 Products

Metal

Hard Wear-Resistant 52100 Alloy Steel Balls

Also known as chrome steel, 52100 is an extremely hard and wear-resistant material. These balls are often used in bearings.

Tight-Tolerance Hard Wear-Resistant
52100 Alloy Steel Balls

The diameter on these balls is held to a precise tolerance.

Low-Carbon Steel Balls

Also known as mild steel, use these low-carbon steel balls in parts that don't require high strength.

Hardened Shock-Resistant S2 Tool Steel

This S2 tool steel has been hardened for excellent strength and impact resistance. It has a tough core that resists breaking under shock loads.

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.

Clamping and Workholding

Tooling Balls

The shoulder on these tooling balls provides a consistent height reference point.

Adjustable-Height Tooling Balls

Install tooling balls in a workpiece or fixture to create a precise measurement reference point. Push the shank further into the hole to adjust the height of the ball.

Tooling Ball Mounting Pads

Use a mounting pad when your tooling ball needs a raised mounting point.

Ball-Lock Quick-Change Fixture Clamps

Build these components into fixture plates, machine subplates, and tombstones for quick changes. The system clamps and locates at the same time for accurate positioning with repeatability of ±0.0005".

Ball Transfers

Stud-Mount Ball Transfers

Install in a threaded hole or use a nut to secure.

Heavy Duty Stud-Mount Ball Transfers

These ball transfers have capacities up to 2,200 lbs.

Press-Fit Ball Transfers

Drop-in design makes for easy installation.

Heavy Duty Press-Fit Ball Transfers

These ball transfers have capacities up to 2,200 lbs.

Shock-Absorbing Press-Fit Ball Transfers

The ball in these transfers is spring-loaded to absorb impact.

Flange-Mount Ball Transfers

The flange has mounting holes for fastening.

Heavy Duty Flange-Mount Ball Transfers

These ball transfers have capacities up to 2,400 lbs.

Shock-Absorbing Flange-Mount Ball Transfers

A thick rubber cushion underneath these ball transfers absorbs impact and reduces vibration.

Recessed Flange-Mount Ball Transfers

Transfers recess into the mounting surface for a low profile.

Heavy Duty Recessed Flange-Mount Ball Transfers

These heavy duty ball transfers recess into the mounting surface for a low profile.

Shock-Absorbing Recessed
Flange-Mount Ball Transfers

The ball in these transfers is spring-loaded to absorb impact.

Pop-Up Ball Transfers and Stops

These ball transfers and stops rise when you supply air and retract into the housing when air supply ceases.

Create-Your-Own Ball Transfer Plates

Snap these ball transfers together like jigsaw pieces to create a custom ball transfer plate, or use them unconnected to create your own pattern for rotating and positioning material. They have magnets embedded in the frame, so you can mount them on any flat magnetic metal surface and rearrange them as your operations change.

Material Support Stands

Ball-Transfer-Top Support Stands

Ball transfers allow movement in any direction so you can turn material without lifting it.

Build-Your-Own Support Stands

Floats for Threaded Rods

Connect these floats to threaded float rods.

Hitches

Tow Hooks

For an easy towing connection, mount these hooks to a bumper or trailer.

Hitch Inserts

Use these inserts in hitch-ball connections.

Mounting Plate Inserts for Drawbar Couplers

These inserts allow you to connect drawbar couplers to a receiver.

Drawbar Rings

These rings mount to a trailer and connect to the drawbar coupler or tow hook on a vehicle.

Drawbar Couplers

Also known as pintle hitches, drawbar couplers are used with drawbar rings to connect a trailer to your vehicle for towing.

Hitch Receivers

Mount these receivers to your vehicle. Use them with an insert and pin for a complete hitch.

Metal

Hard Wear-Resistant 52100 Alloy Steel Balls

Tight-Tolerance Hard Wear-Resistant52100 Alloy Steel Balls

Low-Carbon Steel Balls