Uxcell M4x12mm Knurled Thumb Screws, 304 Stainless Steel Diamond Head Thumb Screws Metric Knurled Head Bolts with Shoulder Grip Knobs Hand Tighten Thread Fasteners, 12mm Dia. 8 Pcs

What is this?

These knurled thumb screws offer a versatile fastening solution for restoring lighting fixtures, lampshades, furniture, industrial machinery, home appliances, electronic devices, and various other applications requiring manual adjustment. Their diamond-textured grip design ensures aesthetic appeal and practical functionality across repairs, renovations, and professional maintenance tasks.

Are there any advantages?

These screws are made of quality 304 stainless steel, which has higher corrosion resistance, rust-proof and anti-rust effect than ordinary screws, prolonged lifespan, are not easy to damage; Featuring a diamond knurled texture on the head, these screws provide enhanced grip for easy hand-tightening. The flat head design ensures a flush, secure fit, making them good for applications requiring a sleek appearance.

How to use it?

The shoulder head provides a larger contact surface, which can help you tighten or loosen it more easily. Simply grip the knurled head and rotate by hand to tighten or loosen.

What should I notice?

Please confirm the thread size. For optimal performance, avoid over-tightening, which could stress the threads.