Features [Material]: High quality stainless steel, not easy to corrode, long service life and reliable quality. [Sharp]: The thread is deep and sharp, and the hand is even, and it is not easy to slip during use. [Firm]: The screw head is flat and glossy, the force is even, and the tightening effect is good. [Wide Range Of Uses]: Common 3D printer beds, machine tools, cabinets, and tool boxes are very suitable for making projects and things that require quick adjustments. Suitable for bolts, studs and screws. [Advantages]: Hand tightened, wear resistant and durable, often used in electronic equipment. Feature： 1.High quality stainless steel, not easy to corrode, long service life and reliable quality. 2.The thread is deep and sharps, and the hand is even, and it is not easy to slip during use. 3.The screw head is flat and glossy, the force is even, and the tightening effect is good. 4.Common 3D printer beds, machine tools, cabinets, and tool boxes are very suitable for making projects and things that require quick adjustments. Suitable for bolts, studs and screws. 5.Hand tightened, wear resistant and durable, often used in electronic equipment. Specification: Item Type: Knurled Thumb Nut Product Material: Stainless Steel Product Standard: DIN467 Model: M3; M4; M5; M6 (optional) Package List: 10 x M3 Knurled Flat Head Nut or 10 x M4 Knurled Flat Head Nut or 10 x M5 Knurled Flat Head Nut or 10 x M6 Knurled Flat Head Nut（optional） Package List 10 x M3 Knurled Flat Head Nut