Knurled Thumb Nuts: Surface: Galvanized; Thread Size: M4-0.7; Total Size: 12 x 8mm/0.47" x 0.31"(D*H); Small End Dia: 8mm/0.31"; Package Included: 5pcs x Knurled Thumb Nuts
Material: The knurled thumb nut is made of carbon steel materials and treated with zinc for high hardness, durability, wear resistance, and sturdy. Stable performance can be maintained both in the working environment and in long-term use.
Advantages: The head has a knurled design to increase friction, and it is easy to install and remove by hand without any tools. The thread is deep, the tooth pitch is uniform, and the fastening force is good.
Application: These knurled thumb nuts are widely used in the machinery industry, furniture fastening, 3D printing parts, etc. Great for items that need quick adjustments. Use them to replace old ones, or just store them for your next install.
Package List: Each package contains 5pcs of knurled thumb nuts. You can buy the right amount of products according to your needs.