The research development and technology of cold heading steel ( SWRCH 35 K ) are introduced.

本文简要地介绍了我公司冷镦钢 ( SWRCH35K ) 的研制、开发情况以及生产工艺.

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Micro products are precision screws ( M 0.8 - M 5 ), turning screws, cold heading screws.

产品有精密微型螺丝 ( M0.8-M5 ), 车削螺丝, 冷镦螺丝.

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The main process in manufacturing outer - hexagonal boltsis cold heading.

生产外六角螺钉的主要工艺是冷镦.

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Tools operating under heavy blows, e. g . upsetting dies for cold - heading of bolts, must not be through - hardened.

工具在重的打击之下操作, 举例来说令人生气一钢模为门闩的感冒 - 标题, 不能穿越是 - 变硬.

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