Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.
冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。
Some main points about the cold heading process and its die design are also involved.
介绍了冷镦工艺过程和模具设计要点。
Some main points about the cold heading process and its die design are also involved.
介绍了冷镦工艺过程和模具设计要点。
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