Blue Bumpers | McMaster-Carr

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	Shape Shape


Domed	Round

Sheet and Bar	Tapered Round

U Channel

	Mount Type Mount Type

	For Use Outdoors For Use Outdoors

Yes

	System of Measurement System of Measurement

Inch

Metric

	Height Height

	Hardness Rating Hardness Rating

	Hardness Hardness

	Color Color	Show

Blue

	Color Color	Hide

	Material Material

	OD OD

	Nonmarking Nonmarking

Yes

	Maximum Load Maximum Load

Less than 1,000 lbs.

1,000 to 1,999 lbs.

	Mounting Hole Diameter Mounting Hole Diameter

1/8"

1/4"

	Number of Mounting Holes Number of Mounting Holes

	Minimum Temperature Minimum Temperature

	Maximum Temperature Maximum Temperature

	Counterbore Diameter Counterbore Diameter

31/64"

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

REACH Compliant

	Thread Size Thread Size

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

DFARS Specialty Metals
COTS-Exempt

	Mounting Surface Height Mounting Surface Height

17/64"

	For Hole Diameter For Hole Diameter

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

RoHS Compliant

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415 Products

Bumpers, Grommets, and Trim

Threaded-Stud Bumpers

Twist these bumpers into a threaded hole. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces.

Load-Rated Unthreaded Bumpers

Select these bumpers for applications that require specific load capacities. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines and conveyors. Install them with a screw.

Load-Rated Adhesive-Back Bumpers

Select these bumpers for applications that require specific load capacities. Use them as feet and spacers on instruments and small appliances to limit sliding, vibration, and noise. Press them into place with the adhesive backing. They're comparable to Bumpon bumpers.

Surface Protection Film

Use this film on metal and plastic parts, appliances, and electronic equipment for protection against damage during packaging, shipping, and installation.

Shaft Grommets

Support shafts, bearings, and other moving parts that are routed through a hole. These grommets are slippery to allow parts to move freely in the hole. Install them on thin sheet-metal panels.

Mounts, Feet, and Pads

General Purpose Vibration-Damping
Mounts with Unthreaded Hole

Chemical-Resistant Vibration-Damping Mounts
with Threaded Hole and Corrosion-Resistant Plate

Well-suited to moist environments, these mounts have a stainless steel plate for excellent corrosion resistance.

Chemical-Resistant Vibration-Damping
Mounts with Threaded Hole and Steel Plate

The polyurethane base on these mounts resists solvents, gasoline, and oil, while the metal plate sustains heavy loads.

Vibration-Damping Grommets

Press these grommets into a hole to add cushion on both sides.

Ribbed Vibration-Damping Grommets

Ribbed grommets are more flexible than our smooth vibration-damping grommets, so they're easier to install.

Vibration-Damping Bushings

Easier to install than grommets, push these bushings through your mounting hole to dampen vibration. Use them with a vibration-damping washer to isolate vibration.

Ribbed Vibration-Damping Bushings

Ribbed bushings are more flexible than our smooth vibration-damping bushings, so they're easier to install.

Vibration-Damping Washers

Use these in place of normal washers to damp vibration and cushion your joint.

Color-Coded Die Springs

These springs follow the Raymond die spring color code.

Metric Color-Coded Die Springs

Colors and sizes follow ISO 10243 for metric die springs.

Rubber

High-Temperature Silicone
Rubber Sheets, Bars, and Strips

Food Industry High-Temperature
Silicone Rubber Sheets and Strips

Made of FDA-listed materials, these sheets and strips are for use with food.

Food Industry Abrasion-Resistant
Polyurethane Rubber Sheets and Strips

Use in food-processing environments for cutting surfaces, liners, and other high-wear applications. These sheets and strips are FDA compliant for direct contact with food.

Chemical-Resistant Low-Temperature
Fluorosilicone Rubber Sheets and Strips

Temperatures as low as –70° F have no effect on these fluorosilicone sheets and strips.

Food Industry Oil-Resistant
Buna-N Rubber Sheets and Strips

Made from FDA-compliant materials for use with food and beverage, these sheets and strips won’t degrade from animal and vegetable oils.

Foam

Ultra-Conformable Polyurethane
Foam Sheets and Strips

Commonly called memory foam and Confor, these sheets and strips have the best cushioning qualities of all the foam we offer.

Super-Cushioning Polyethylene
Foam Sheets and Strips

Also known as Ethafoam.

Super-Cushioning Foam U-Channels

The open top allows these foam U-channels to slide over and cushion an edge.

Super-Absorbent Foam

Similar to a sponge, this open-cell foam absorbs and holds up to 30 times its weight in liquid.

Tool-Organizing Foam

Know at a glance when a tool is missing from a toolbox with this dual-color foam.

Package Stops for Roller Conveyors

Add a package stop on a conveyor to control product flow and allow for accumulation.

Door/Hinge-Mount Holders

These three-way holders can be inserted under the door, over the top corner of the door, or over the hinge pin to hold a door open.