Metal Rings | McMaster-Carr

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	System of Measurement System of Measurement

	ID ID

	OD OD

	Thickness Thickness

	Material Material

Stainless
Steel

	Shape Shape	Show

	Ring

	Shape Shape	Hide


Sheet and Bar	Rod and Disc

Round Tube	Rectangular Tube

90° Angle	U Channel

Hex Bar	Foil

T Bar	Ball

Wire	H Bar

I Beam	Z Bar

Half Round	Ribbed Sheet

Hat Channel	Hex Ingot

Honeycomb	Hex Tube

Ring	Ingot

Tapered	Disc

Slotted	Made to Order

Keyed	D-Profile

	Individual/Set Individual/Set

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

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

RoHS Compliant with
Exemptions

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

REACH Compliant

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	For Screw Size For Screw Size

	Specifications Met Specifications Met

	For Shoulder Diameter For Shoulder Diameter

	For Bearing OD For Bearing OD

	For Bearing ID For Bearing ID

	Finish Finish

	Number of Pieces Number of Pieces

	For Bearing Width For Bearing Width

	For Bearing Trade Number For Bearing Trade Number

38
608
6000
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
R2
R3
R4
R6
R8
6305W

	Number of Layers Number of Layers

	Layer Thickness Layer Thickness

	For Maximum Bearing Housing Bore Diameter For Maximum Bearing Housing Bore Diameter

How can we improve?

2,336 Products

Round Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims fit around fasteners and shafts to precisely align, level, and adjust spacing.

Wide-Rim Ring Shims

Also known as machinery bushings, these shims have an oversized OD to create a larger bearing surface for reduced wear between moving parts.

Tight-Fit Ring Shims

For a snug fit around a shaft, the ID of these shims is held to a tighter tolerance than other round shims.

Peel-Away Layered Ring Shims

These shims are made of layers of metal bonded with adhesive. Remove layers with a utility knife until you get the thickness you need.

Shims for Shortening Screw Shoulders

Shims for Shortening Screw Shoulders

Slide these shims under the screw head to shorten the shoulder length.

Shims for Lengthening Screw Shoulders

Shims for Lengthening Screw Shoulders

Spin these shims onto screw threads to extend the shoulder length.

Shims for Ball Bearings

Adjust spacing between bearings and other components on shafts. These shims are sized to fit the outer rim of a bearing.

Shims for Ball Bearing Housings

Also called tolerance rings, these rings are for use in stamped, molded, or worn housings to form a tight hold on the bearings.

Shims for Button Dies

Place these shims under sharpened dies to restore their original height and extend their life.

Ring Shim Assortments

Shim Assortments for Button Dies

Shim Assortments for Button Dies

Place these shims under sharpened dies to restore their original height and extend the life of the dies.

Ring Shim Assortments

Ring Shim Assortments

Use round shims to precisely align, level, and adjust spacing on shafts and machinery.

Shim Assortments for Lengthening Shoulder Screws

Shim Assortments for Lengthening Shoulder Screws

Spin these tight-fitting shims onto your screw's threads to lengthen the shoulder.

Shim Assortments for Shortening Shoulder Screws

Shim Assortments for Shortening Shoulder Screws

Slide onto a shoulder screw to shorten the length of the shoulder.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)