China Carbide Bits
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Factory best selling China Tct Carbide Drill Bits Brad Point
•HW head is with precise balance center point.
• 2 precise ground cutting edges (Z2).
•4 spiral flutes.
•Parallel handle, flat driving plane, adjustable screw length. -
Factory best selling China Tct Carbide Drill Bits Brad Point
•HW head is with precise balance center point.
• 2 precise ground cutting edges (Z2).
•4 spiral flutes.
•Parallel handle, flat driving plane, adjustable screw length. -
Best-Selling China Tct Carbide Drill Bits Brad Point
•This standard industrial dowel drill is made of original ultra fine tungsten carbide.
•The high strength steel body has been undergoes petrochemical treatment after heat treatment to reducing deformation
•The spiral part is painted orange or black P.T.F.E.
•HW head is with precise balance center point.
• 2 precise ground cutting edges (Z2).
• 2 spiral grooves.
•Parallel handle, flat driving plane, adjustable screw length.