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In the realm of construction, renovation, and DIY projects, concrete drill bits are the unsung heroes that enable us to penetrate one of the toughest building materials with relative ease. These specialized tools are designed to handle the unique challenges posed by concrete, providing the strength,
Technical Specifications of Tungsten Carbide Drill Bits1. Material CompositionCore Structure: Tungsten carbide (WC) particles (85–95%) bonded with cobalt (Co) or nickel (Ni), offering a hardness of 1,500–2,200 HV (Vickers Hardness) .Coatings: Advanced coatings like Titanium Nitride (TiN), Titanium A
1. The Ministry of Commerce of China conducts a trade barrier investigation on Taiwan's trade restrictions on the mainland.2. The Philippines formally submits the RCEP approval letter, and RCEP will come into force for the Philippines on June 2.3. In 2022, wind power generation will hit a new high,