How to measure the large diameter, medium diameter and small diameter of stainless steel socket cap screw?
Some customers are very concerned about the size of the screws of stainless steel hexagon socket screws or other screw fasteners. Once they do not meet their requirements, they will choose to return or the screw manufacturer to reproduce them exactly according to their requirements. For them, unqualified threads, they are not available. So how do you measure the large diameter, medium diameter, and small diameter of stainless steel socket cap screw ? The medium diameter and the small diameter of the external thread: the external threaded ring gauge conforming to GB/T 3934 shall be manually inserted into the external thread of the stainless steel socket cap screw and shall pass smoothly. Single medium diameter of external thread of stainless steel socket cap screw : Screw the end thread ring gauge according to GB/T 3934 into the external thread of the workpiece by hand, but not more than 2 pitches (calculated from the ringback ring gauge). There are t...