Specification Brand : Generic BulletPoint1 : 5 / 16" in diameter; Package includes 20 pieces ball BulletPoint2 : G100 Precision Balls BulletPoint3 : Made of 304 stainless steel with good corrosion resistance. BulletPoint4 : smooth surface precision balls BulletPoint5 : Good corrosion resistance is important, but hardness is not. Color : Multiple colors ItemName : XYWHPGV 5/16" Bearing Balls 304 Stainless Steel G100 Precision Balls 20pcs(59551 43ffb cf517 a4a7a 381d1 49f0b ItemTypeKeyword : ball-nose-end-mills Manufacturer : XYZOOM ModelNumber : 5955143ffbcf517a4a7a381d149f0b PartNumber : df4d0c43-ea2e-c2dc206d67c475 ProductDescription : -The best quality stainless steel produced according to the highest industry standards. -Precision stainless steel balls are used when conditions require anticorrosive performance and toughness that is not available in hardenable stainless steels. -The stainless steel balls offer the precise geometry and a fine surface finish that makes them especially useful in valve pumps, nail polish and spray paint bottles for agitation, spray systems, appliance components, wheels, drawer guides, locking mechanisms, semi-precision bearings and a host of other industrial and consumer products. -The main applications are in couplings, valves and pumps. Suitable for a variety of purposes, some of the most common are listed below: -1/8" is often used for clusters and in Old English- Style headphones -1 / 4" is often used for rear wheels and bottom brackets -3 / 16" is often used for front wheels -5 / 32" is often used for headphones with pressure cups < br> Specification: Material: stainless steel 304 s teel Accuracy: G100 (+/- 0.01mm) Diameter: 5 / 16" (7.938mm) Hardness: ProductSiteLaunchDate : 2023-12-21T07:39:08.926Z Size : L Style : Manual UnspscCode : 31171500