20PCS M4 x 10 mm Carbon Steel Threaded Knurled Thumbscrew Screw on Knobs Grips Black Round Clamping Screw on Monitor Screws Vesa Mount Screws Mounting Thumb Screw, Black (20PCS, 4 x 10 mm)

Product Description： Each package includes 20pcs M4 x 10 mm carbon steel threaded knurled thumbscrew.

• 【Quality Material】The male thread knurled clamping knobs are made of quality carbon steel, with good hardness, strength, corrosion resistance and wear resistance; It is a fastening accessory that can be applied for a long time and could be reusable for most different purposes.
• 【Nice Craftsmanship】The surface of the grip thumb screw on type round head is smooth, the thread is neat and uniform, without burrs, making the installation effect more tight.The screw thread size is standardized, making it suitable for various types of servers and rack equipment.
• 【Easy to Use】The screw's edge is knurled for easy manual tightening and loosening, without the need for tools.
• 【Package Included】20 Pieces M4 x 10 mm threaded knurled thumbscrews. Thumb screws Total height: 21 mm/0.82 inch; Head Diameter: 14mm/0.55in;Male Thread Diameter: M4; Male Thread Length: 10mm / 0.39".
• 【Warm Notice】The length of the screw part is 10 mm, which may bottom out on some computer monitors; It is recommended that you need washers as gaskets when installing some monitors, you need a layer of buffer to prevent direct contact.