Specification Brand : Pastlla BulletPoint1 : Package includes: 12 pcs x Knurled Thumb Nuts BulletPoint2 : Thread Size: M6; Pitch: 1mm/0.04"; Total thickness: 12mm/0.47"; Large end diameter: 19.6mm/0.77"; Small end diameter: 12mm/0.47" BulletPoint3 : Material: Made of carbon steel that is highly hard, has high-hardness, wear-resistant, sturdy, not easy to rust or fade, which has a lasting long time BulletPoint4 : Multiple uses: These knurled nuts are used with bolts, studs, and screws, which are widely used in the machinery industry, machine tools, cabinets, furniture fastening, 3D printing parts, and other electrical or industrial products. BulletPoint5 : Easy to use: Knurled thumb nuts are designed with sharp, clean and accurate thread, which makes them easy to tighten, install, and remove by hand without tools Color : Black ExteriorFinish : Thread GpsrSafetyAttestation : 1 IncludedComponents : Accessories ItemName : Pastlla 12 Pcs M6 x 20 x 12mm Carbon Steel Nut High Head Through Hole Fitting for 3D Printer Parts, Knurled Thumb Nuts, Black ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 8.5 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 12 ItemTypeKeyword : thumb-nuts Manufacturer : Pastlla Material : Carbon steel MetalType : Alloy Steel ModelName : Cymbal Stackers ModelNumber : FRS2359 NumberOfItems : 16 PartNumber : FRS2359 ProductDescription : Features: Multiple uses: These knurled nuts are used with bolts, studs, and screws, which are widely used in the machinery industry, 3D printing parts, and other electrical or industrial products Easy to Use: Knurled thumb nuts are designed with sharp, clean and accurate thread, which makes them easy to tighten, install, and remove by hand without tools Specification: Size: Thread Size: M6; Pitch: 1mm/0.04";Total thickness: 12mm/0.47"; Large end diameter: 19.6mm/0.77";Small end diameter: 12mm/0.47" Material: Made of carbon steel Package Includes: 12 pcs x Knurled Thumb Nuts