Countersinks - Series 61B

HSS Uniflute® Countersink ALtima® Blaze Coated
This is the original Uniflute® Countersink designed for general purpose countersinking, chamfering or deburring. ALtima® Blaze coated for extreme wear resistance under all machining conditions.
  • Single flute
  • HSS
  • Available with 60°, 82°, 90°, 100° and 120° included angles
  • Self piloting and completely chatterless
  • No secondary burs formed
  • Each size may be used on a wide range of hole diameters
  • Use on machine tool or in handheld tool applications
  • Easily resharpened
  • ALtima® Blaze coated, B=ALtima® Blaze coated
  • Standard Angles may be modified from 55° to 119° available as specials
  • Material Applications: Steels, Hardened Steels, Stainless Steels, Cast Iron, Special and High Temp Alloys, and Non-Ferrous
       Speed and Feed Data
Tool EDP Diameter Shank Diameter Oal Available Price
61B012501 61003 1/8 1/8 1-1/2
61B012502 61008 1/8 1/8 1-1/2
61B012503 61013 1/8 1/8 1-1/2
61B012504 61018 1/8 1/8 1-1/2
61B012506 61023 1/8 1/8 1-1/2
61B018701 61028 3/16 3/16 1-1/2
61B018702 61033 3/16 3/16 1-1/2
61B018703 61038 3/16 3/16 1-1/2
61B018704 61043 3/16 3/16 1-1/2
61B018706 61048 3/16 3/16 1-1/2
61B025001 61053 1/4 1/4 2
61B025002 61058 1/4 1/4 2
61B025003 61063 1/4 1/4 2
61B025004 61068 1/4 1/4 2
61B025006 61073 1/4 1/4 2
61B037501 61078 3/8 1/4 2
61B037502 61083 3/8 1/4 2
61B037503 61088 3/8 1/4 2
61B037504 61093 3/8 1/4 2
61B037506 61098 3/8 1/4 2
61B050001 61103 1/2 1/4 2
61B050002 61108 1/2 1/4 2
61B050003 61113 1/2 1/4 2
61B050004 61118 1/2 1/4 2
61B050006 61123 1/2 1/4 2
61B062501 61128 5/8 1/4 2-1/4
61B062502 61133 5/8 1/4 2-1/4
61B062503 61138 5/8 1/4 2-1/4
61B062504 61143 5/8 1/4 2-1/4
61B062506 61148 5/8 1/4 2-1/4
61B075001 61153 3/4 1/2 2-3/4
61B075002 61158 3/4 1/2 2-3/4
61B075003 61163 3/4 1/2 2-3/4
61B075004 61168 3/4 1/2 2-3/4
61B075006 61173 3/4 1/2 2-3/4
61B100001 61178 1 1/2 2-3/4
61B100002 61183 1 1/2 2-3/4
61B100003 61188 1 1/2 2-3/4
61B100004 61193 1 1/2 2-3/4
61B100006 61198 1 1/2 2-3/4