As an Amazon Associate, we earn from qualifying purchases. Home » Zoro Select » Z9201 Flat Washer, Fits Bolt Size 5/16 in Steel, Black Oxide Finish, 10 PK Zoro Select . Z9201 Gallery Attributes Brand name, Manufacturer name, ManufacturerZoro Select CategoryId, CategoryIdL44958 CategoryIdL19 CategoryIdL24385 CategoryIdL315199 CategoryL1Fasteners CategoryL2Washers CategoryL3General Washers CategoryL4Flat Washers DimensionUnitinch GraingerSku5RY26 Extra Product NameFlat Washer, Fits Bolt Size 5/16 in Steel, Black Oxide Finish, 10 PK UPCNone UnitOfMeasurePK Weight0.17 WeightUnitlbs atoms, Package Quantity10 cali_prop65_orglabel, cali_prop65_whtlabelFalse color, ColorBlack countryOfOriginUS height0.5 jsonUrlData924526ffbdad25e5923b length3 moq, multiple, tierMinQty11 MPNZ9201 qtyInStock455 qtyInStockOverride-2 SKUG1689283 tierPrice14.47 urlhttps://www.zoro.com/zoro-select-flat-washer-fits-bolt-size-516-in-steel-black-oxide-finish-10-pk-z9201/i/G1689283/ width1.5 Fits Bolt Sizes, For Screw Size5/16 in Washer Outside Dia, Outside Diameter3/4 in Washer Inside Dia11/32 in Inside Dia11/32" Inside Diameter0.344 in Pack SizeSmall Pack Outside Diameter Tolerance, Inside Diameter Tolerance+/-0.010 in ItemFlat Washer Washer Basic MaterialSteel Fastener FinishBlack Oxide Thickness3/16 in Washer StandardsN/A System of MeasurementInch Rockwell Hardness16N80 Flat Washer TypeExtra Thick Flat Washer Washer Material GradeCase Hardened ApplicationLoad Distributing Thickness Tolerance+0.005/-0.020 in TypeStandard Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG1689283145511 @ $4.47