- coarse screw tap
- roughing tap
- 粗: wide; thick
- 丝锥: tap; screwtap
- 粗丝: coarse filament; coarse thread; pachynema; thick filament
- 丝锥: [机械工程] tap; screwtap 粗制丝锥 taper tap; 中丝锥 second tap; 精丝锥 bottoming tap
- 粗丝线: cordo et; cordonnet
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