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DIN 933 Hex Head Bolts M4

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DIN 933 Hex Head Bolts M4

    The process flow of hexagon head bolt is roughly as follows: drawing process - blanking - forming - machining - thread rolling - heat treatment - surface treatment - packaging. The company carefully checks every process and firmly puts product quality first.     Hexagonal bolts are often encountered in daily life, but because there are many kinds of hexagonal bolt specifications, it also causes some troubles for consumers to choose hexagonal bolts. Today, I will follow the editor to see what are the hexagonal bolts and the specifications of the hexagonal bolts, for your reference. Definition of hexagonal bolts Hexagonal bolts are hexagonal head bolts (partial thread)-level C and hexagonal head bolts (full thread)-level C, also known as hexagonal head bolts (coarse), hairy hexagonal head bolts, and black iron screws. The use of hexagonal bolts Cooperate with the nut and use the thread connection method to connect the two parts into a whole. The characte…