Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides
#77 (0.0180in, 0.457mm) number drill bit, 0.310 in. max DOC ***0.45mm METRIC EQUIVALENT
Tool Specifications
Depth of cut 0.31"
Number of flutes 2
Shank size 1/8"
Tool Diameter 0.0180"

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DC208-0180-031D

  • #77 (0.0180in, 0.457mm) number drill bit, 0.310 in. max DOC ***0.45mm METRIC EQUIVALENT
  • Availability: In Stock
  • $2.82


  • 10 or more $2.56