Item Type: Knurled Thumb Nut_x000D_ Product Material: Stainless Steel_x000D_ Product Standard: DIN467 1Material: High quality stainless steel, not easy to corrode, long service life and reliable quality. 2Sharp: The thread is deep and sharp, and the hand is even, and it is not easy to slip during use. 3Firm: The screw head is flat and glossy, the force is even, and the tightening effect is good. 4Wide 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. 5Advantages: Hand tightened, wear resistant and durable, often used in electronic equipment.10 x M6 Knurled Flat Head Nut