• 1. Tapping screws thread: 自攻螺钉用螺纹
• 2. Thread Cutting Tapping Screws: 螺纹切削自攻螺丝
• 3. Thread Forming Tapping Screws: 螺纹成型自攻螺丝

更多释义

• 1.The company is a manufacturer specialized in producing M1.4-M6 screws, tapping screws and three-edge thread forming screws according with the standard of JIS, GB, ANSI and DIN.
  我司主要生产M1.4-M6系列机螺钉、 自攻螺钉及三棱自攻锁紧螺钉，产品执行JIS标准、GB标准、ANSI标准、DIN标准，原材料选用优质的碳素钢、铜及不锈钢等。
  dict.yoduao.com

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