Specification Brand : uxcell BulletPoint1 : Thread Size: M4 x 30mm / 0.16" x 1.2"; Total Length: 34mm / 1.34" BulletPoint2 : Weight: 45g; Product Name: Thumb Screw BulletPoint3 : Material: Metal; Package Content: 8pcs x Thumb Screw BulletPoint4 : Thread Pitch: 0.7mm; Color: Silver Blue BulletPoint5 : Head Diameter: 12mm / 0.47" Color : Silver Blue DriveSystem : Thumb ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 634715403803 ExternallyAssignedProductIdentifier2 : 0634715403803 FinishType : Plain GpsrSafetyAttestation : 1 ItemName : uxcell® M4x30mm Knurled Head Flat Point Fully Threaded Thumb Screws Fastener 8pcs ItemPackageDimensions_Height : 12.5 centimeters ItemPackageDimensions_Length : 3.2 centimeters ItemPackageDimensions_Width : 8.2 centimeters ItemPackageQuantity : 20 ItemShape : Hexagonal ItemTypeKeyword : thumb-screws Manufacturer : uxcell ManufacturerGrade : high quality Material : Metal MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Stainless Steel MetalType1 : Zinc MetalType2 : Carbon Steel ModelNumber : a16122700ux0354 NumberOfItems : 20 NumberOfPieces : 20 PartNumber : a16122700ux0354 ProductDescription : Thumb screws are designed to be tightened and loosened by hand. Large head diameter makes it easy to access and tighten. The thumb screw has a straight knurled surface on its head. This gives it better gripping surface, making it easier to tighten or loosen the fastener manually.