Knurled Knobs, Knurled Thumbscrew Screw, 20pcs M4 x 8 mm Steel Threaded Knurled Thumbscrew Grip Knobs Thumb Screw for Machinery Latche with Storage Case

【Rugged and Durable】: our round head grip finger screw is made of high-quality steel, which has the characteristics of high strength, corrosion resistance and good stability. The round head is made of rubber material, which has a comfortable touch, can well protect the internal screws and can be used for a long time
【Excellent Production】: the thread of this M4 * 8mm thread knurled finger screw is neat and uniform without burr, so that you can install it more tightly, the circular head feels comfortable, and there are gear like stripes around to increase friction and facilitate the disassembly and installation of screws.
【Wide Application】: our finger screws are well made, beautiful and practical. They can be widely used in mechanical equipment, electronic equipment, communication equipment, hardware, furniture decoration and other related industries. Bring convenience to your life.
【Easy to Install】: the finger screw of the grip knob adopts the screw in design rubber knurled handle, which is comfortable to grasp and easy to install. You only need to rotate it in and tighten it; It is recommended that you measure or estimate the size before installation to avoid installation failure due to improper size.
【Easy Storage】: our package contains 20pcs M4 * 8mm thread knurled finger screws. Each screw is made in strict accordance with international standards, just to make you comfortable. It also comes with a plastic storage box for easy carrying and storage.

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