①Pressure screw, Allen, countersunk, 250 pieces, M3, M4, M5, M6, M8, pressure screw set, stal stainless, screw, set for door handles, electronic machines (silver) ②Solid fastening: Appropriate pressure screws are needed for fastening to make the work more efficient. Our countersunk Allen screw is characterized by high quality. It can be easily screwed into objects and fixed correctly and firmly, without affecting their surface, so that the appearance of items can remain nice and neat. ③High quality material: countersunk Allen screws are made of high quality 304 stainless steel, which is characterized by high hardness and extraordinary strength, because our pressure screws do not break ani do not slip when screwing. In addition, Allen pressure screws made of 304 stainless steel are more resistant to corrosion and rust; our various pressure screws can be reused. ④ Precise workmanship: our Allen pressure screws have been carefully made. The surface of the pressure screws with conical tip is smooth and clean, without burrs and oil dirt. The stainless steel pressure screw thread is deep and clear, the head tip is sharp, so you can easily and quickly screw the hexagon socket screw into any object. ⑤Multiple choices: Our pressure screw set includes pressure screws in 10 different specifications: M3x3, M3x4, M3x6, M4x4, M4x6, M5x5, M5x8, M6x6, M6x10, M8x8. This set can meet your needs. Stainless steel hexagon head Allen screws in various sizes can be used for different things.