Diamant Bohrer Ø 0.4 mm - 3 mm Diamond Coated Drill Bits for Jewelry Ceramics

Diamond Coated Drill Bits Ø 0.4 mm - 3 mm Drilling Needle for Jewelry Ceramics. Am 22.06.2025 hat der Verkäufer die folgenden Angaben hinzugefügt Overall length: 41 mm-45 mm. Tip : Water cooling is required when drilling, and the speed is not less than 20000RPM.

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