Specification Brand : GRAINGER APPROVED BulletPoint : Price For: Each Basic Material: Stainless Steel Fastener Finish: Plain Material Grade: 18-8 Nut Style: Coupling Nut Fastener Thread Direction: Right Hand Item: Coupling Nut System of Measurement: Inch Length: 7/8" Fastener Thread Type: UNF Width Across Flats: 3/8" Dia./Thread Size: 1/4"-28 Country of Origin (subject to change): United States BulletPoint1 : Specification: Thread Height: 12 mm/0.5 Inch; Male Thread Size:9/16"-18UNF; Female Thread Size: M10; Thread Pitch: 1mm; Material: Metal; Color: Chrome; Package List: 10 Pcs x Thread Reducing Nut BulletPoint2 : Advantages: The nut is made of metal material which is anti-rust, anti-corrosion, durable, and can be used for a long time; The reducing nut can be converted into 2 different threads, which is easy to use. BulletPoint3 : Instruction: When you need to connect different brackets, screw the light fixture into the nut to change the thread size. BulletPoint4 : Application: These thread adapters are for threaded light tubes. Widely used for connecting LED lights, pendant lights, chandeliers, electrical parts, floor lamp connectors or making other lighting projects. BulletPoint5 : NOTE: Please check the thread size before ordering to make sure it will fit your project. ConnectorType : Threaded ExteriorFinish : Silver ExternallyAssignedProductIdentifier1 : 0044761785202 ExternallyAssignedProductIdentifier2 : 044761785202 GradeRating : industrial ItemName : Coupling Nut, 1/4-28, 18-8, SS, Plain, PK5 ItemPackageDimensions_Height : 0.47 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemTypeKeyword : coupling-nuts Manufacturer : GRAINGER APPROVED Material : Stainless Steel MetalType : Stainless Steel NumberOfItems : 10 NumberOfPieces : 5 PartNumber : 250417BG ProductDescription : ' Coupling Nut, Nut Style Coupling Nut, System of Measurement Inch, Basic Material Stainless Steel, Material Grade 18-8, Fastener Finish Plain, Fastener Thread Direction Right Hand, Dia./Thread Size 1/4 In.-28, Length 7/8 In., Fastener Thread Type UNF, Width Across Flats 3/8 In., Package Quantity 5 ' ProductSiteLaunchDate : 2014-11-01T12:00:00.000-08:00 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 31161700