Allen Bolts Hex Socket Screw Grade 12.9 Black Oxide DIN912

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In 1919, Dyke defined them as screws that are threaded all the way to the head. A socket cap screw, also known as a socket head capscrew, socket screw, or Allen bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole.

We are in a relatively high position in the industry, and we maintain close cooperation with foreign suppliers to provide Allen Bolts Hex Socket Screw Grade 12.9 Black Oxide DIN912, our products are exported to many countries and regions. With many years good service and development, we've a professional international trade sales team. Brand must be another name for improving the quality, the concentration of customer satisfaction and the result of the recognition of the majority of users.