(200 Pieces) Black Carbon Steel Concave End Headless Machine Tight Screws for Machining Fixtures M4x8mm.

Product Description ✅Material: Set screw is made of carbon steel which is corrosion-resistant heat-resistant and durable; ✅Performance: Concave end headless machine tight screws are easy to install and can be bolted to the place that needs to be leveled; ✅Performance: Carbon steel screws have good compression resistance and will not deform in other mechanical properties of strength; ✅ Versatile: Suitable for construction transportation electronics decoration home applications decoration and other electrical and industrial products. Note: 1: Due to the difference between different monitors the photo may not reflect the actual color of the item. 2: 1 to 3 mm tolerance allowed If you have any questions please feel free to contact us.