high quality drills bits manufacturer
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Solid tungsten carbide industrial dowel drills bits in CNC Router
•The drilling parts is solid carbide which will improve lifetime and performance.
•The steel shank has been undergoes petrochemical treatment after heat treatment to reducing deformation
• 2 precise ground cutting edges (Z2) and 2 spiral grooves.
• The raw materials are virgin materials and fine particles, which ensure the stability of the quality-the warranty is 365 days, the quality problems within 365 years can be negotiated and handled.