20 pezzi 0,8 mm carburo di tungsteno CNC incisione circuito di stampa PCB punte da trapano

Applicaton: Amber wax, PCB, CNC grinding tools, carving, plastic, copper etc processing. 20 x Drill Bits (2 Sets). Material: Alloy Tungsten Steel. Tungsten steel bit, easy to handle, precision grinding technology, high wear resistance, high hardness, durable.

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