Specification Brand : Aexit BulletPoint1 : Product Name: Belleville Spring; Package Content: 25pcs x Belleville Spring BulletPoint2 : Main Color: Copper Tone; Material: 60Si2MnA BulletPoint3 : Weight: 4g; Outer Diameter: 10mm/0.4" BulletPoint4 : Inner Diameter: 5.2mm/0.2''; Thickness: 0.4mm/0.016'' (a70944f5-2b17-11ea-990f-4cedfbbbda4e BulletPoint5 : quality: DIN2093 (: DIN2093 ExteriorFinish : Copper ItemName : Aexit 10mm Outer Dia 5.2mm Inner Diameter 0.4mm Thickness Belleville Springs Washer 25pcs (e9f91b40712400e5149f6cc94fc3743d) ItemTypeKeyword : belleville-washers Manufacturer : Aexit Material : Other MetalType : Copper ModelNumber : modle NumberOfPieces : 5 PartNumber : 9ce8021c-2a46-438ccc020f31c5 ProductDescription : Aexit 10mm Outer Dia 5.2mm Inner Diameter 0.4mm Thickness Belleville Springs Washer 25pcs (e9f91b40712400e5149f6cc94fc3743d) Surface Treatment: Add lubricating oil after phosphoric acid treatment. Features: Belleville springs can also be called disc springs,are conically formed annular discs, which are loaded in the axia_l direction. It offers a well-developed solution to many engineering problems through a unique combination of high force in a small space.It can be used as a single disc or arranged in stacks. Application: Belleville springs are widely used in mechanical products, such as press machine, artillery, aircraft and other heavy machinery,it can also be used as compression springs for automobile and tractor. Description in French 10mm Diamètre Extérieur 5.2mm Diamètre Intérieur 0.4mm Épaisseur Belleville Springs Rondelle 25pcs Nom du produit: Belleville Spring; Contenu de l'emballage: 25pcs x Belleville Spring Couleur principale: Ton cuivre; Matériel: 60Si2MnA Poids: 4g; Diamètre extérieur: 10mm / 0.4' ' Diamètre intérieur: 5.2mm / 0.2' '; Épaisseur: 0.4mm / 0.016' ' : DIN2093