Specification Brand : YINRUISCREW BulletPoint1 : A spring-loaded device encapsulates a spring into its hollow body. With a plunger tip on one end, spring loaded devices allow for accurate and repeatable end forces. BulletPoint2 : Typical uses include: positioning, indexing, locating, ejecting, locking, latching, detents, contacts, lifters and insulators. BulletPoint3 : Choose from an array of spring plungers and spring devices in several design options and finishes, for jobs requiring accurate and reliable end forces or side loading. BulletPoint4 : These Class 12.9 alloy steel ball plungers are robust and durable. BulletPoint5 : There are a total of 20 ball plungers in a set, which you can use for many projects. Color : Black DriveSystem : Internal Hex ExteriorFinish : Black Oxide GradeRating : Class 12.9 ItemName : M4x16mm Ball Plunger Thread Hexagon Socket Ball Spring Plungers Hex Socket Ball Point Grub Set Screws Alloy Steel 20pcs ItemPackageDimensions_Height : 0.5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : ball-screws Manufacturer : GZYR Material : Alloy Steel MeasurementSystem : Metric MetalType : Alloy Steel NumberOfItems : 1 PartNumber : SGSSP-04B ProductDescription : M4 x 16 mm Ball Plunger Thread Hexagon Socket Ball Spring Plungers Thread Diameter: 4.0 mm Plunger Length: 16.0 mm Thread Pitch: 0.7 mm Material: Alloy Steel Finish: Black Oxide Package: 20 pieces ProductSiteLaunchDate : 2023-11-26T04:01:55.257Z Size : M4 x 16 mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 20 UnspscCode : 31161500