Specification Brand : uxcell BulletPoint1 : [SIZE&PACKAGE]: The thread specification of the knurled nut is 1/4, the outer diameter is 10mm / 0.39", the pitch is 20mm, and the thickness is 20mm / 0.79". The package includes 4 pcs of knurled nuts. BulletPoint2 : [MATERIAL]: These knurled wing nuts are made of aluminum alloy material. The lightweight characteristics make aluminum alloy nuts more convenient to carry and use. It also has good corrosion resistance, enabling aluminum alloy nuts to perform well in harsh environments such as moisture and salt spray and prolonging their service life. BulletPoint3 : [DESIGN]: Our grooved knurled nut design features a cylindrical style for easy handling. The cylindrical design has a low profile and a larger bearing surface, ensuring a secure hold and evenly distributing the load. The unique grooved texture not only enhances the grip but also facilitates efficient manual adjustments, making it perfect for professionals and DIY enthusiasts. BulletPoint4 : [INSTALLATION]: To use these knurled round nuts, simply align the nut with the intended screw and hand tighten directly. Installation is very easy. BulletPoint5 : [APPLICATIONS]: These knurled round nuts are suitable for a variety of applications such as machinery, automotive, electronics, and furniture assembly. Their sturdy construction and stylish colors make them both functional and aesthetically pleasing. Color : Bright Black DriveSystem : Spline DriveSystem1 : Spline DriveSystem2 : Thumb ExteriorFinish : Aluminum FinishType : Unfinished GradeRating : commercial ItemName : uxcell 4Pcs Knurled Thumb Nut, 1/4"-20x20mm Hand Nut Pass Hole Nut Aluminum Alloy Diamond Knurled Camera Tripod Pass Hole Nut Lock Adjusting Nuts for 3D Printer, Bright Black ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 1.6 centimeters ItemPackageDimensions_Width : 6.1 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : thumb-nuts Manufacturer : uxcell Material : Stainless Steel Material1 : Iron Material2 : Stainless Steel MeasurementSystem : Metric MetalType : Aluminum Alloy NumberOfItems : 4 NumberOfPieces : 4 PartNumber : a24071700ux1971 ProductDescription : Description: Material - These knurled wing nuts are made of aluminum alloy material. The lightweight characteristics make aluminum alloy nuts more convenient to carry and use. It also has good corrosion resistance, enabling aluminum alloy nuts to perform well in harsh environments such as moisture and salt spray and prolonging their service life. Design - Our grooved knurled nut design features a cylindrical style for easy handling. The cylindrical design has a low profile and a larger bearing surface, ensuring a secure hold and evenly distributing the load. The unique grooved texture not only enhances the grip but also facilitates efficient manual adjustments, making it perfect for professionals and DIY enthusiasts. Installation - To use these knurled round nuts, simply align the nut with the intended screw and hand tighten directly. Installation is very easy. Applications - These knurled round nuts are suitable for a variety of applications such as machinery, automotive, electronics, and furniture assembly. Their sturdy construction and stylish colors make them both functional and aesthetically pleasing.