Prodotto Ricercato: micro bit comprar
The drill bit is forged from S2 steel and treated with carbon black phosphating. It has high streng…
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The drill bit is made of S2 steel forged, with high strength and hardness, and can withstand high t…
1. It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not e…