Specification Brand : uxcell BulletPoint1 : Material: 304 Stainless Steel; Product Name: Ball Point Set Screw; Weight: 27g BulletPoint2 : Package Content: 10pcs x Ball Point Set Screw; Thread Size: M8 x 12mm / 0.31" x 0.47"(D*L); Drive Type: Hex Socket BulletPoint3 : Head Style: Socket Cap Head; Main Color: Silver Tone BulletPoint4 : Thread Pitch: 1.25mm; Total Length: 13mm / 0.5" BulletPoint5 : Hex Key Size: 4mm / 0.16"; Ball Plunger Diameter: 4.7mm / 0.18" Color : Silver DriveSystem : Internal Hex DriveSystem1 : Internal Hex DriveSystem2 : External Hex ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 604267105180 ExternallyAssignedProductIdentifier2 : 0604267105180 ExternallyAssignedProductIdentifier3 : 00602451434184 FinishType : Galvanized GpsrSafetyAttestation : 1 ItemName : uxcell® M8x12mm 304 Stainless Steel Spring Hex Socket Ball Point Grub Set Screws 10pcs ItemPackageDimensions_Height : 13.2 centimeters ItemPackageDimensions_Length : 1.4 centimeters ItemPackageDimensions_Width : 10.1 centimeters ItemPackageQuantity : 1 ItemShape : Hexagonal ItemTypeKeyword : set-screws Manufacturer : uxcell Material : Stainless Steel MeasurementSystem : Metric MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Stainless Steel ModelName : Grub Screw ModelNumber : a16122300ux0146 NumberOfItems : 1 NumberOfPieces : 10 PartNumber : a16122300ux0146 ProductDescription : Set Screw Type Ball Transfer Unitwith Spring Plunger Function for Upward Facing Applications. It is a set screw type ball roller with spring plunger function. The internal spring receives loads evenly even when the load is unbalanced. It can also be used as a general spring plunger with ball for fixing and locating the workpiece. The smooth rotation of the ball reduces friction between the main ball and receiving side.