USE: This knurled thumb screw can be used for fastening and control of machinery,musical instruments,furniture cabinets and so on.
Easy to Use: There are 30 knurled thumb screws in each package.It can meet the daily life or work needs.No tools needed,just tighten or loosen by hand.
MATERIAL: Thumb studs are made of carbon steel with zinc plated surface.The knurled head material is plastic The threads are clear,smooth and burr-free.
SIZE: Various sizes are available, M4, M5 and M6. bolt length is available from 10mm to 40mm. Please check the pictures for specific size data.
After-sales service:If you have any questions after receiving the product,please feel free to consult customer service.