tap-drill 中文意思是什麼
tap-drill
解釋
螺孔鉆-
Hydraulic tap hole drill with folding rotary mechanism
轉臂折疊式全液壓開鐵口機 -
To create this product, we bore a bottom hole into the metal using a sharp drill bit while simultaneously carrying out tap processing
該機能的秘訣是採用全冷間鍛造前端部分。利用鉆頭尖銳的頭部往金屬上面打洞,同時進行螺紋加工。
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