4mm nano titanium coating straight shank Hss Twist Drill Bits Cobalt Fully Ground Black Finish drilling Metal Forged Alloy
- USD $0.13 - $0.15 / Piece
- 10000 Piece / Pieces
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4mm nano titanium coating straight shank Hss Twist Drill Bits Cobalt Fully Ground Black Finish drilling Metal Forged Alloy