cheap cabide drill bits
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HW dowel drills with 3 cutting edges
•New design—Crown head with patent.
•HW head is with precise balance center point.
• 3 precise ground cutting edges (Z3).
• 3 spiral grooves.
•New design—Crown head with patent.
•HW head is with precise balance center point.
• 3 precise ground cutting edges (Z3).
• 3 spiral grooves.