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Countersinks / 79B

HSS Chatterless 6 Flute Countersink ALtima® Blaze Coated
M.A.FordMax®
Standard 6 Flute countersinks are designed for economical, general purpose countersinking, chamfering or deburring. Because of the multiple flute design, chip loads are generally smaller.  Even at maximum speeds, chatter-free machining is possible.  ALtima® Blaze for extreme wear resistance under all machining conditions.
  • 6 Flutes
  • HSS
  • ALtima® Blaze coated, B=ALtima® Blaze coated
  • Available with 60°, 82°, 90°, 100° and 120° included angles
  • Included Angle Code (8th character of tool number): 1=60°, 2=82°, 3=90°, 4=100°, 6=120°

Materials

  • Steel
  • Stainless steel
  • Cast iron
  • Non-Ferrous
  • Super-alloys and titanium
  • Hard material

Series Attributes

Product Range

Tool No. EDP Diameter (D/D1) Shank Diameter (D2) Overall Length (L1) Non-Cutting Tip Dia Max (D3) Included Angle (A) Material Coating Shank Type
.1250 79B012501 79023 1/8 1/8 1-1/2 .030 60° HSS ALtima® Blaze Straight
.1250 79B012502 79028 1/8 1/8 1-1/2 .030 82° HSS ALtima® Blaze Straight
.1250 79B012503 79033 1/8 1/8 1-1/2 .030 90° HSS ALtima® Blaze Straight
.1250 79B012504 79039 1/8 1/8 1-1/2 .030 100° HSS ALtima® Blaze Straight
.1250 79B012506 79043 1/8 1/8 1-1/2 .030 120° HSS ALtima® Blaze Straight
.1875 79B018701 79048 3/16 3/16 1-1/2 .040 60° HSS ALtima® Blaze Straight
.1875 79B018702 79053 3/16 3/16 1-1/2 .040 82° HSS ALtima® Blaze Straight
.1875 79B018703 79058 3/16 3/16 1-1/2 .040 90° HSS ALtima® Blaze Straight
.1875 79B018704 79064 3/16 3/16 1-1/2 .040 100° HSS ALtima® Blaze Straight
.1875 79B018706 79068 3/16 3/16 1-1/2 .040 120° HSS ALtima® Blaze Straight
.2500 79B025001 79073 1/4 1/4 2 .060 60° HSS ALtima® Blaze Straight
.2500 79B025002 79078 1/4 1/4 2 .060 82° HSS ALtima® Blaze Straight
.2500 79B025003 79083 1/4 1/4 2 .060 90° HSS ALtima® Blaze Straight
.2500 79B025004 79089 1/4 1/4 2 .060 100° HSS ALtima® Blaze Straight
.2500 79B025006 79093 1/4 1/4 2 .060 120° HSS ALtima® Blaze Straight
.3750 79B037501 79123 3/8 1/4 2 .090 60° HSS ALtima® Blaze Straight
.3750 79B037502 79128 3/8 1/4 2 .090 82° HSS ALtima® Blaze Straight
.3750 79B037503 79133 3/8 1/4 2 .090 90° HSS ALtima® Blaze Straight
.3750 79B037504 79139 3/8 1/4 2 .090 100° HSS ALtima® Blaze Straight
.3750 79B037506 79143 3/8 1/4 2 .090 120° HSS ALtima® Blaze Straight
.5000 79B050001 79148 1/2 3/8 2 .150 60° HSS ALtima® Blaze Straight
.5000 79B050002 79153 1/2 3/8 2 .150 82° HSS ALtima® Blaze Straight
.5000 79B050003 79158 1/2 3/8 2 .150 90° HSS ALtima® Blaze Straight
.5000 79B050004 79164 1/2 3/8 2 .150 100° HSS ALtima® Blaze Straight
.5000 79B050006 79168 1/2 3/8 2 .150 120° HSS ALtima® Blaze Straight
.6250 79B062501 79173 5/8 3/8 2-1/4 .180 60° HSS ALtima® Blaze Straight
.6250 79B062502 79178 5/8 3/8 2-1/4 .180 82° HSS ALtima® Blaze Straight
.6250 79B062503 79183 5/8 3/8 2-1/4 .180 90° HSS ALtima® Blaze Straight
.6250 79B062504 79189 5/8 3/8 2-1/4 .180 100° HSS ALtima® Blaze Straight
.6250 79B062506 79193 5/8 3/8 2-1/4 .180 120° HSS ALtima® Blaze Straight
.7500 79B075001 79198 3/4 1/2 2-3/4 .210 60° HSS ALtima® Blaze Straight
.7500 79B075002 79203 3/4 1/2 2-3/4 .210 82° HSS ALtima® Blaze Straight
.7500 79B075003 79208 3/4 1/2 2-3/4 .210 90° HSS ALtima® Blaze Straight
.7500 79B075004 79214 3/4 1/2 2-3/4 .210 100° HSS ALtima® Blaze Straight
.7500 79B075006 79218 3/4 1/2 2-3/4 .210 120° HSS ALtima® Blaze Straight
1.0000 79B100001 79248 1 1/2 2-3/4 .250 60° HSS ALtima® Blaze Straight
1.0000 79B100002 79253 1 1/2 2-3/4 .250 82° HSS ALtima® Blaze Straight
1.0000 79B100003 79258 1 1/2 2-3/4 .250 90° HSS ALtima® Blaze Straight
1.0000 79B100004 79264 1 1/2 2-3/4 .250 100° HSS ALtima® Blaze Straight