Metal Cup Washers | McMaster-Carr

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Cup Washers Products

3M Metal Sealants All-Metal Locknuts Banding for Metal Insulation Jacketing Blank Metal Colored Tags Blank Metal Tags Body and Fender Sheet Metal Tools Decorative Metal Sheets Devcon Metal Repair Epoxies Devcon Metal-Filled Epoxies Direct-to-Metal Coatings Direct-to-Metal Paint Electrical Metallic Tubing Brackets Electrical Metallic Tubing Clamps Electrical Metallic Tubing Hangers Electrical Metallic Tubing Straps Expanded Metal Fasteners Expanded Metal Grating Expanded Metal Grilles Expanded Metal Mesh Expanded Metal Plates Expanded Metal Screens Expanded Metal Sheet Stock Expanded Metal Sheets Flexible Metal Conduit Flexible Metal Duct Flexible Metal Duct Hose Flexible Metal Hose Flexible Metal Tubing General Purpose Metal Eyebolts Hand-Held Metal Detectors Heavy Metal Sorbents High-Polish Metal Tube Fittings Inserts for Metals Jewelers' Metal Slotting Cutters Jewelers' Metal Slotting Saws Liquid Metal Adhesives Loctite® Metal Repair Epoxies Loctite® Metal-Filled Epoxies Made-to-Order Reusable Metal Panel Air Filters Magnetic Sheet Metal Fanners Metal Alloy Casting Compounds Metal Angled Trim Metal Banding Metal Bearings Metal Bolt-Together Strut Channel Framing Metal Braids Metal Building Screws Metal Bulk Dump Trucks Metal Bulk Storage Crates Metal Casters Metal Casting Alloy Bars Metal Casting Alloys Metal Centrifugal Pumps Metal Channels Metal Cigarette Butt Disposal Containers Metal Cleaners Metal Cloth Metal Compression Pipe Fittings Metal Containers Metal Crimping and Stripping Shears Metal Cubes Metal Cutters Metal Cylindrical Tanks Metal Deck Metal Detector Calibration Kits Metal Detectors Metal Dispensing Bins Metal Drills Metal Duct Sleeves Metal Dust Vacuum Cleaners Metal Edging Machines Metal Embossing Tags Metal Enclosures Metal Extrusions Metal Fillers Metal Formers Metal Forming Bases Metal Forming Tools Metal Garbage Baskets Metal Garbage Bins Metal Garbage Buckets Metal Garbage Cans Metal Garbage Containers Metal Gauze Metal Halide Starters Metal Halides Metal Hardness Testers Metal H-Channels Metal Hex Rods Metal Honeycomb Matrix Metal Hose Coupling Caps Metal Hydraulic Control Valves Metal Inspection Testers Metal Large-Capacity Containers Metal Layout Markers Metal Markers Metal Mobile Shelving Metal Molding Metal Numbered Tags Metal Pipe Street Tees Metal Plates Metal Polish Metal Powder Vacuum Cleaners Metal Preps Metal Pressure Regulating Valves Metal Pressure Regulators Metal Protectors Metal Quick-Disconnect Garden Hose Couplings Metal Raw Materials Metal Repair Epoxy Adhesives Metal Repair Patches Metal Roller Chain Guards Metal Rope Anchors Metal Sanitary Quick-Clamp Tube Fittings Metal Screens Metal Scribes Metal Slitting Milling Cutters Metal Slitting Saw Arbors Metal Slotting Saw Arbors Metal Solder-Joint Tube Caps Metal Solenoid Air Control Valves Metal Spacers Metal Square Poles Metal Square Tubing Metal Stamps Sets Metal Strapping Metal Strapping for Metal Strapping Dispenser Kits Metal Strapping Kits Metal Strapping Sealers Metal Strapping Tensioners Metal Strips Metal Structural Framing Angles Metal Structural Framing End Caps Metal Structural Framing Tubing Metal Strut Channel Systems Metal Strut-Mount Pipe Clamps Metal Sump Pumps Metal Ties Metal Tops Metal Trash Baskets Metal Trash Bins Metal Trash Buckets Metal Trash Cans Metal Trash Containers Metal Tube-to-Pipe Fittings Metal U-Channels Metal Washers Metal Waste Bins Metal Waste Buckets Metal Waste Cans Metal Waste Containers Metal Wastebaskets Metal Wheels Metal Wire Metal Wire Assortments Metal Wire Ties Metal Wool Pads Metal Yor-Lok Tube-to-Pipe Fittings Metal Zip Ties Metal-Backed Polyurethane Sheets Metal-Backed Rubber Sheets Metal-Backed Strip Brushes Metal-Bonding Adhesives Metal-Clad Cable Metal-Clad Cords Metal-Clad Wire Metal-Cleaning Wipes Metal-Crimping Pliers Metal-Cutting Band Saws Metal-Cutting Blades Metal-Cutting Chisels Metal-Cutting Chop Saw Blades Metal-Cutting Circular Saws Metal-Cutting Cutoff Wheels Metal-Cutting End Mills Metal-Cutting Saws Metal-Cutting Shears Metal-Cutting Snips Metal-Detectable Metal-Detectable Brushes Metal-Detectable Buckets Metal-Detectable Calibration Kits Metal-Detectable Earplugs Metal-Detectable Ink Pens Metal-Detectable Markers Metal-Detectable O-Rings Metal-Detectable Pens Metal-Detectable Scoops Metal-Detectable Scrapers Metal-Detectable Seals Metal-Detectable Shaft Couplings Metal-Detectable Stirring Paddles Metal-Detectable Tape Metal-Detectable Test Kits Metal-Detectable Ties Metal-Detectable Wire Ties Metal-Filled Epoxies Metal-Filled Epoxy Adhesives Metal-Filled Putty Metal-Hardening Compounds Metallic Curtains Metallic-Finish Coatings Metallic-Finish Paint Metallized Film Metal-Rubber Shaft Seals Metal-to-Plastic Pipe Fittings Metric Metal Balls Pan Head Sheet Metal Screws Perforated Metal Sheets Plain Metal Slitting Saws Red Metal Angle Bars Red Metal Balls Red Metal Bars Red Metal Discs Red Metal Foil Red Metal Hex Rods Red Metal Ingots Red Metal Round Stock Red Metal Sheets Red Metal Shim Stock Red Metal Strips Red Metal Tubing for Flow Red Metal U-Channels Ridgid 96725 Metal Cases Rigid Metal Conduit Rigid Metal Conduit Fittings Sheet Metal Angles Sheet Metal Benders Sheet Metal Boxes Sheet Metal Brakes Sheet Metal Bushings Sheet Metal Caps Sheet Metal Charts Sheet Metal Clamps Sheet Metal Clipping Machines Sheet Metal Clips Sheet Metal Crimpers Sheet Metal Cutoff Wheels Sheet Metal Cutters Sheet Metal Deburring Tools Sheet Metal Drills Sheet Metal Duct Sheet Metal Duct Fittings Sheet Metal Ductwork Sheet Metal Edging Sheet Metal Edging Machines Sheet Metal Fittings Sheet Metal Forming Machines Sheet Metal Forming Tools Sheet Metal Gauges Sheet Metal Grippers Sheet Metal Grommets Sheet Metal Hammers Sheet Metal Hand Tools Sheet Metal Hardware Sheet Metal Hole Cutters Sheet Metal Hole Saws Sheet Metal Lifters Sheet Metal Nibblers Sheet Metal Notchers Sheet Metal Pins Sheet Metal Pliers Sheet Metal Plugs Sheet Metal Power Tools Sheet Metal Punches Sheet Metal Racks Sheet Metal Reamers Sheet Metal Reference Books Sheet Metal Rollers Sheet Metal Rolls Sheet Metal Screws Sheet Metal Seamers Sheet Metal Separators Sheet Metal Shearing Machines Sheet Metal Shears Sheet Metal Shrinkers Sheet Metal Slip Rolls Sheet Metal Standoffs Sheet Metal Storage Sheet Metal Stretchers Sheet Metal Studs Sheet Metal Tools Sheet Metal Trim Sheet Metal-Cutting Scissors Sheet Metal-Cutting Shears Sheet Metal-Cutting Snips Sheet-Metal-Cutting Drill Bits Silver-Filled Metal Epoxy Adhesives Specialty Metal Pipe Clamps Specialty Metal Pipe Fittings Square Metal Tubing Stay-Put Metal Coolant Hose Strip Metal Benders Threaded Metal Standoffs Tubing for Metal Barbed Quick-Turn Tube Couplings Vacuum Metal Compression Tube Fittings Vise-Grip Sheet Metal Tools Wood To Metal Screws

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	Material Material

Stainless Steel

	Finish Finish

	System of Measurement System of Measurement

	For Screw Size For Screw Size

	OD OD

	ID ID

	Washer Type Washer Type

	Thickness Thickness

0.005" to 0.024"

0.005" to 0.030"

0.008" to 0.020"

0.010" to 0.013"

0.010" to 0.015"

0.010" to 0.016"

0.010" to 0.020"

0.010" to 0.030"

0.010" to 0.040"

0.012" to 0.018"

0.013" to 0.019"

0.013" to 0.020"

0.013" to 0.027"

0.014" to 0.018"

0.014" to 0.020"

0.014" to 0.033"

0.015" to 0.017"

0.015" to 0.018"

0.015" to 0.019"

0.015" to 0.023"

0.016" to 0.018"

0.016" to 0.021"

0.016" to 0.022"

0.016" to 0.025"

0.017" to 0.021"

0.017" to 0.023"

0.017" to 0.028"

0.018" to 0.022"

0.018" to 0.023"

0.018" to 0.024"

0.018" to 0.032"

0.018" to 0.039"

0.019" to 0.021"

0.020" to 0.024"

0.020" to 0.025"

0.020" to 0.026"

0.020" to 0.027"

0.020" to 0.040"

0.020" to 0.042"

0.022" to 0.028"

0.022" to 0.042"

0.023" to 0.027"

0.023" to 0.028"

0.024" to 0.032"

0.024" to 0.034"

0.024" to 0.038"

0.024" to 0.039"

0.025" to 0.031"

0.025" to 0.039"

0.025" to 0.040"

0.025" to 0.045"

0.026" to 0.036"

0.027" to 0.031"

0.027" to 0.033"

0.027" to 0.035"

0.027" to 0.048"

0.028" to 0.034"

0.028" to 0.035"

0.028" to 0.036"

0.028" to 0.046"

0.029" to 0.032"

0.029" to 0.033"

0.029" to 0.034"

0.029" to 0.035"

0.029" to 0.039"

0.029" to 0.043"

0.030" to 0.034"

0.030" to 0.050"

0.030" to 0.065"

0.030" to 0.070"

0.031" to 0.033"

0.031" to 0.062"

0.032" to 0.040"

0.033" to 0.037"

0.033" to 0.047"

0.033" to 0.057"

0.034" to 0.044"

0.034" to 0.060"

0.035" to 0.045"

0.035" to 0.055"

0.036" to 0.042"

0.036" to 0.044"

0.036" to 0.045"

0.036" to 0.060"

0.036" to 0.065"

0.037" to 0.041"

0.037" to 0.045"

0.038" to 0.048"

0.040" to 0.050"

0.040" to 0.054"

0.040" to 0.060"

0.041" to 0.053"

0.041" to 0.061"

0.042" to 0.050"

0.042" to 0.051"

0.042" to 0.052"

0.042" to 0.054"

0.043" to 0.047"

0.043" to 0.051"

0.043" to 0.057"

0.044" to 0.051"

0.044" to 0.052"

0.045" to 0.055"

0.046" to 0.054"

0.047" to 0.052"

0.047" to 0.053"

0.047" to 0.055"

0.047" to 0.109"

0.048" to 0.052"

0.048" to 0.054"

0.048" to 0.075"

0.049" to 0.055"

0.049" to 0.068"

0.050" to 0.060"

0.050" to 0.070"

0.050" to 0.080"

0.051" to 0.070"

0.051" to 0.075"

0.051" to 0.080"

0.051" to 0.084"

0.051" to 0.104"

0.052" to 0.058"

0.052" to 0.060"

0.052" to 0.072"

0.053" to 0.073"

0.054" to 0.068"

0.054" to 0.070"

0.054" to 0.074"

0.055" to 0.065"

0.055" to 0.069"

0.055" to 0.070"

0.055" to 0.072"

0.055" to 0.085"

0.056" to 0.062"

0.056" to 0.070"

0.056" to 0.071"

0.057" to 0.067"

0.057" to 0.069"

0.058" to 0.064"

0.058" to 0.068"

0.058" to 0.070"

0.059" to 0.065"

0.059" to 0.067"

0.059" to 0.069"

0.059" to 0.071"

0.060" to 0.064"

0.060" to 0.066"

0.060" to 0.070"

0.060" to 0.080"

0.060" to 0.090"

0.061" to 0.063"

0.062" to 0.064"

0.062" to 0.077"

0.064" to 0.080"

0.064" to 0.083"

0.064" to 0.094"

0.064" to 0.104"

0.065" to 0.075"

0.068" to 0.078"

0.068" to 0.088"

0.068" to 0.095"

0.070" to 0.076"

0.070" to 0.090"

0.071" to 0.084"

0.071" to 0.085"

0.071" to 0.091"

0.072" to 0.082"

0.073" to 0.078"

0.073" to 0.083"

0.074" to 0.082"

0.074" to 0.094"

0.074" to 0.121"

0.075" to 0.081"

0.075" to 0.082"

0.075" to 0.119"

0.075" to 0.202"

0.076" to 0.080"

0.077" to 0.087"

0.078" to 0.097"

0.079" to 0.098"

0.079" to 0.099"

0.080" to 0.099"

0.080" to 0.100"

0.080" to 0.110"

0.080" to 0.115"

0.081" to 0.101"

0.082" to 0.098"

0.083" to 0.097"

0.084" to 0.097"

0.084" to 0.104"

0.084" to 0.114"

0.085" to 0.095"

0.085" to 0.102"

0.086" to 0.116"

0.086" to 0.132"

0.089" to 0.099"

0.090" to 0.108"

0.090" to 0.110"

0.090" to 0.112"

0.090" to 0.114"

0.090" to 0.115"

0.090" to 0.119"

0.090" to 0.120"

0.090" to 0.134"

0.090" to 0.160"

0.091" to 0.099"

0.092" to 0.112"

0.093" to 0.103"

0.094" to 0.114"

0.094" to 0.115"

0.094" to 0.116"

0.094" to 0.119"

0.095" to 0.101"

0.097" to 0.117"

0.097" to 0.121"

0.097" to 0.130"

0.097" to 0.177"

0.098" to 0.106"

0.098" to 0.120"

0.099" to 0.116"

0.099" to 0.119"

0.099" to 0.120"

0.100" to 0.116"

0.100" to 0.180"

0.102" to 0.116"

0.104" to 0.111"

0.104" to 0.114"

0.104" to 0.128"

0.104" to 0.180"

0.105" to 0.115"

0.105" to 0.130"

0.105" to 0.135"

0.108" to 0.160"

0.110" to 0.126"

0.110" to 0.130"

0.110" to 0.140"

0.112" to 0.128"

0.113" to 0.143"

0.115" to 0.135"

0.118" to 0.132"

0.120" to 0.130"

0.120" to 0.140"

0.120" to 0.141"

0.120" to 0.159"

0.120" to 0.171"

0.120" to 0.187"

0.122" to 0.138"

0.122" to 0.146"

0.122" to 0.177"

0.123" to 0.128"

0.125" to 0.145"

0.125" to 0.151"

0.126" to 0.133"

0.126" to 0.220"

0.126" to 0.240"

0.127" to 0.141"

0.130" to 0.140"

0.130" to 0.150"

0.130" to 0.151"

0.131" to 0.145"

0.133" to 0.147"

0.136" to 0.152"

0.136" to 0.160"

0.136" to 0.161"

0.136" to 0.177"

0.136" to 0.192"

0.136" to 0.213"

0.140" to 0.170"

0.142" to 0.149"

0.142" to 0.230"

0.142" to 0.240"

0.142" to 0.260"

0.146" to 0.162"

0.146" to 0.166"

0.146" to 0.174"

0.146" to 0.177"

0.150" to 0.220"

0.151" to 0.161"

0.153" to 0.213"

0.156" to 0.188"

0.156" to 0.189"

0.158" to 0.165"

0.158" to 0.240"

0.158" to 0.260"

0.158" to 0.270"

0.158" to 0.280"

0.163" to 0.181"

0.167" to 0.192"

0.167" to 0.193"

0.168" to 0.191"

0.168" to 0.192"

0.168" to 0.193"

0.170" to 0.190"

0.170" to 0.195"

0.170" to 0.200"

0.177" to 0.187"

0.177" to 0.197"

0.178" to 0.196"

0.178" to 0.280"

0.180" to 0.194"

0.182" to 0.202"

0.183" to 0.193"

0.190" to 0.208"

0.193" to 0.248"

0.198" to 0.218"

0.198" to 0.223"

0.198" to 0.233"

0.199" to 0.224"

0.200" to 0.220"

0.200" to 0.222"

0.206" to 0.229"

0.210" to 0.280"

0.219" to 0.243"

0.220" to 0.240"

0.220" to 0.280"

0.225" to 0.265"

0.228" to 0.310"

0.228" to 0.320"

0.230" to 0.255"

0.230" to 0.270"

0.234" to 0.266"

0.235" to 0.255"

0.235" to 0.264"

0.235" to 0.265"

0.238" to 0.263"

0.240" to 0.260"

0.240" to 0.272"

0.240" to 0.340"

0.245" to 0.255"

0.249" to 0.327"

0.250" to 0.270"

0.260" to 0.280"

0.261" to 0.286"

0.265" to 0.290"

0.270" to 0.290"

0.271" to 0.291"

0.293" to 0.318"

0.297" to 0.328"

0.298" to 0.328"

0.302" to 0.332"

0.302" to 0.335"

0.303" to 0.323"

0.308" to 0.318"

0.340" to 0.360"

0.355" to 0.380"

0.359" to 0.391"

0.360" to 0.380"

0.360" to 0.390"

0.365" to 0.385"

0.365" to 0.397"

0.428" to 0.448"

0.460" to 0.480"

0.485" to 0.515"

0.15 to 0.25 mm

0.203 to 0.508mm

0.220 to 0.420mm

0.25 to 0.35 mm

0.35 to 0.45 mm

0.45 to 0.55 mm

1.2 to 1.750 mm

1.600 to 2.300mm

1.7 to 2.300 mm

1.900 to 2.300mm

2.100 to 2.500mm

2.200 to 2.600mm

2.600 to 4.600mm

2.700 to 3.300mm

2.700 to 4.000mm

3.0 to 4.000 mm

3.200 to 4.000mm

3.200 to 5.500mm

3.4 to 4.600 mm

3.5 to 4.600 mm

3.800 to 4.600mm

4.0 to 5.100 mm

4.0 to 7.500 mm

4.1 to 4.600 mm

4.5 to 5.100 mm

4.8 to 7.500 mm

5.970 to 6.730mm

	Specifications Met Specifications Met

	Hardness Hardness

	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

	Length Length

	Overall Height Overall Height

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Shape Shape


Ring	Round

Slotted	D-Profile

Tapered	Keyed

Disc	Rectangle

Sheet and Bar	Made to Order

	For OD For OD

5/16" to 11/32"

7/16" to 15/32"

9/16" to 19/32"

11/16" to 23/32"

	Retaining Ring Type Retaining Ring Type

	External
	Internal

	Retaining Ring Style Retaining Ring Style


Standard	Push On

Side Mount	Spiral

Constant Section	Crimp On

Clip On

	For Groove Diameter For Groove Diameter

	For Shaft Diameter For Shaft Diameter

	Ring Thickness Ring Thickness