China Socket Head Screws Product Description The button head socket cap screw is a cap screw with a cylindrical head and a hexagonal drive hole. The button head socket cap screw is most often repeated with an Allen key. Most button socket screws have a clean head and no stamping or marking to obtain a satisfactory clean finish appearance. The metric thread size of hexagon socket screws is from M2.5 to M10, and the standard length is between 6 mm and 100 mm. Non-standard sizes are also available on request. button head socket cap screws are usually used in different industries, such as automotive, electronics, machinery and manufacturing applications. Product Details Drive StyleHex socket ThreadingFully threaded System of MeasurementMetric Thread DirectionRight Hand Thread FitClass 6g Thread SpacingCoarse Grade/ClassA2-70 FinishPassivated MaterialStainless steel 304 StandardISO7380 Product equipment Feature Stainless steel round head screws have good chemical resistance and may be slightly magnetic. The length is measured from under the head. Test equipment Advantage The button head socket cap screw is a threaded fastener with a round head and a recessed hex driver. The button socket head is rotated with a hexagonal key, and can be tightened with a higher torque specification than a slotted or cross-slot drive machine screw. The button head socket cap screw can provide a more visually beautiful appearance than other fasteners. Since the head of the round head hexagon socket head is lower than the head of the socket head screw, in some cases, when there is a problem with the gap, the round head head can also be used. Our factory Certificate Warehouse-MapChina Socket Head Screws website:http://www.jgscrewnut.com/screw-bolt/socket-head-screws/