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Countersinks / 78

Series 78
Carbide Chatterless 6 Flute Countersink, M.A.FordMax®
Recommended for use on Hardened Steel, High Temperature Alloys, and other tough jobs.
  • 6 Flutes
  • Solid Carbide 1/8 - 1/4" sizes
  • Solid Carbide Head Brazed to Steel Shank on Sizes 3/8" and Above
  • 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°
  • Rigid set-ups and good machinery maintenance are a must.
  • Not recommended for use in hand-held tools.
  • Straight Shank with Tang Drive on Sizes 1-1/4" and Above
  • Uncoated, coating available upon request

Materials

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

Series Attributes

Downloads

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 Available List Price
.1250 78012501 78001 1/8 1/8 1-1/2 .030 60° Carbide Uncoated Straight 106.00 15.58
.1250 78012502 78006 1/8 1/8 1-1/2 .030 82° Carbide Uncoated Straight 76.00 15.58
.1250 78012503 78011 1/8 1/8 1-1/2 .030 90° Carbide Uncoated Straight 209.00 15.58
.1250 78012504 78016 1/8 1/8 1-1/2 .030 100° Carbide Uncoated Straight 68.00 15.58
.1250 78012506 78021 1/8 1/8 1-1/2 .030 120° Carbide Uncoated Straight 59.00 15.58
.1250 78012503A 78090 1/8 1/8 1-1/2 .030 90° Carbide ALtima® Straight 0.00 19.81
.1250 78012503C 78092 1/8 1/8 1-1/2 .030 90° Carbide TiCN Straight 0.00 19.86
.1875 78018701 78026 3/16 3/16 1-1/2 .040 60° Carbide Uncoated Straight 149.00 19.48
.1875 78018702 78031 3/16 3/16 1-1/2 .040 82° Carbide Uncoated Straight 119.00 19.48
.1875 78018703 78036 3/16 3/16 1-1/2 .040 90° Carbide Uncoated Straight 138.00 19.48
.1875 78018704 78041 3/16 3/16 1-1/2 .040 100° Carbide Uncoated Straight 43.00 19.48
.1875 78018706 78046 3/16 3/16 1-1/2 .040 120° Carbide Uncoated Straight 230.00 19.48
.1875 78018701TICN 78093 3/16 3/16 1-1/2 .040 60° Carbide TiCN Straight 0.00 24.87
.1875 78018703A 78094 3/16 3/16 1-1/2 .040 90° Carbide ALtima® Straight 2.00 24.87
.1875 78018704A 76850 3/16 3/16 1-1/2 .040 100° Carbide ALtima® Straight 1.00 24.87
.1875 78018706A 78095 3/16 3/16 1-1/2 .040 120° Carbide ALtima® Straight 0.00 24.87
.2500 78025001 78051 1/4 1/4 2 .060 60° Carbide Uncoated Straight 32.00 23.52
.2500 78025002 78056 1/4 1/4 2 .060 82° Carbide Uncoated Straight 225.00 23.52
.2500 78025003 78061 1/4 1/4 2 .060 90° Carbide Uncoated Straight 955.00 23.52
.2500 78025004 78066 1/4 1/4 2 .060 100° Carbide Uncoated Straight 374.00 23.52
.2500 78025006 78071 1/4 1/4 2 .060 120° Carbide Uncoated Straight 131.00 23.52
.2500 78025004A 10913 1/4 1/4 2 .060 100° Carbide ALtima® Straight 0.00 34.48
.2500 78025003A 76851 1/4 1/4 2 .060 90° Carbide ALtima® Straight 43.00 34.48
.2500 78025004TICN 76852 1/4 1/4 2 .060 100° Carbide TiCN Straight 0.00 34.48
.2500 78025003CS 16504 1/4 1/4 2 .060 90° Carbide Uncoated Straight 0.00 27.47
.3750 78037501 78076 3/8 1/4 2 .090 60° Carbide Uncoated Straight 6.00 45.83
.3750 78037502 78081 3/8 1/4 2 .090 82° Carbide Uncoated Straight 0.00 45.83
.3750 78037503 78086 3/8 1/4 2 .090 90° Carbide Uncoated Straight 145.00 45.83
.3750 78037506 78096 3/8 1/4 2 .090 120° Carbide Uncoated Straight 71.00 45.83
.3750 78037504 78091 3/8 1/4 2 .090 100° Carbide Uncoated Straight 118.00 45.83
.3750 78037501A 76853 3/8 1/4 2 .090 60° Carbide ALtima® Straight 0.00 72.16
.3750 78037503A 76854 3/8 1/4 2 .090 90° Carbide ALtima® Straight 3.00 72.16
.3750 78037506TICN 78097 3/8 1/4 2 .090 120° Carbide TiCN Straight 0.00 72.16
.3750 78037504A 14699 3/8 1/4 2 .090 100° Carbide ALtima® Straight 0.00 72.16
.3750 78037502A 14824 3/8 1/4 2 .090 82° Carbide ALtima® Straight 0.00 72.16
.5000 78050001 78101 1/2 3/8 2-1/4 .150 60° Carbide Uncoated Straight 11.00 63.5
.5000 78050002 78106 1/2 3/8 2-1/4 .150 82° Carbide Uncoated Straight 217.00 63.5
.5000 78050003 78111 1/2 3/8 2-1/4 .150 90° Carbide Uncoated Straight 0.00 63.5
.5000 78050004 78116 1/2 3/8 2-1/4 .150 100° Carbide Uncoated Straight 105.00 63.5
.5000 78050006 78121 1/2 3/8 2-1/4 .150 120° Carbide Uncoated Straight 12.00 63.5
.5000 78050003TICN 10914 1/2 3/8 2-1/4 .150 90° Carbide TiCN Straight 0.00 85.73
.5000 78050001TICN 76855 1/2 3/8 2-1/4 .150 60° Carbide TiCN Straight 0.00 85.73
.5000 78050002A 76856 1/2 3/8 2-1/4 .150 82° Carbide ALtima® Straight 0.00 85.73
.5000 78050002TIN 76857 1/2 3/8 2-1/4 .150 82° Carbide TiN Straight 0.00 85.73
.5000 78050003A 78098 1/2 3/8 2-1/4 .150 90° Carbide ALtima® Straight 0.00 85.73
.5000 78050003TIN 78099 1/2 3/8 2-1/4 .150 90° Carbide TiN Straight 0.00 85.73
.5000 78050004A 76858 1/2 3/8 2-1/4 .150 100° Carbide ALtima® Straight 0.00 85.73
.5000 78050004TICN 78100 1/2 3/8 2-1/4 .150 100° Carbide TiCN Straight 0.00 85.73
.5000 78050006TICN 78102 1/2 3/8 2-1/4 .150 120° Carbide TiCN Straight 0.00 85.73
.5000 78050002CE 15844 1/2 3/8 2-1/4 .150 82° Carbide CERAedge® Straight 0.00 122.13
.6250 78062501 78126 5/8 3/8 2-3/8 .180 60° Carbide Uncoated Straight 9.00 82.83
.6250 78062502 78131 5/8 3/8 2-3/8 .180 82° Carbide Uncoated Straight 180.00 82.83
.6250 78062503 78136 5/8 3/8 2-3/8 .180 90° Carbide Uncoated Straight 0.00 82.83
.6250 78062504 78141 5/8 3/8 2-3/8 .180 100° Carbide Uncoated Straight 19.00 82.83
.6250 78062506 78146 5/8 3/8 2-3/8 .180 120° Carbide Uncoated Straight 16.00 82.83
.6250 78062504TICN 78103 5/8 3/8 2-3/8 .180 100° Carbide TiCN Straight 0.00 116.58
.6250 78062503A 17178 5/8 3/8 2-3/8 .180 90° Carbide ALtima® Straight 0.00 139.09
.6250 78062504A 18044 5/8 3/8 2-3/8 .180 100° Carbide ALtima® Straight 0.00 116.58
.7500 78075001 78151 3/4 1/2 2-3/4 .210 60° Carbide Uncoated Straight 0.00 118.19
.7500 78075002 78156 3/4 1/2 2-3/4 .210 82° Carbide Uncoated Straight 0.00 118.19
.7500 78075003 78161 3/4 1/2 2-3/4 .210 90° Carbide Uncoated Straight 0.00 118.19
.7500 78075004 78166 3/4 1/2 2-3/4 .210 100° Carbide Uncoated Straight 0.00 118.19
.7500 78075006 78171 3/4 1/2 2-3/4 .210 120° Carbide Uncoated Straight 0.00 118.19
.7500 78075002A 76859 3/4 1/2 2-3/4 .210 82° Carbide ALtima® Straight 0.00 159.55
.7500 78075002TIN 76860 3/4 1/2 2-3/4 .210 82° Carbide TiN Straight 0.00 159.55
.7500 78075003A 76861 3/4 1/2 2-3/4 .210 90° Carbide ALtima® Straight 0.00 159.55
.7500 78075004TIN 76862 3/4 1/2 2-3/4 .210 100° Carbide TiN Straight 0.00 159.55
.7500 78075001AH 18890 3/4 1/2 2-3/4 .21 60° Carbide ALtima® 52 Straight 0.00 167.23
1.0000 78100001 78176 1 1/2 2-3/4 .250 60° Carbide Uncoated Straight 7.00 193.22
1.0000 78100002 78181 1 1/2 2-3/4 .250 82° Carbide Uncoated Straight 52.00 193.22
1.0000 78100003 78186 1 1/2 2-3/4 .250 90° Carbide Uncoated Straight 14.00 193.22
1.0000 78100004 78191 1 1/2 2-3/4 .250 100° Carbide Uncoated Straight 12.00 193.22
1.0000 78100006 78196 1 1/2 2-3/4 .250 120° Carbide Uncoated Straight 15.00 193.22
1.0000 78100002A 76863 1 1/2 2-3/4 .250 82° Carbide ALtima® Straight 0.00 260.85
1.2500 78125001 78201 1-1/4 1/2 3 .370 60° Carbide Uncoated Tang 0.00 238.16
1.2500 78125002 78206 1-1/4 1/2 3 .370 82° Carbide Uncoated Tang 42.00 238.16
1.2500 78125003 78211 1-1/4 1/2 3 .370 90° Carbide Uncoated Tang 12.00 238.16
1.2500 78125002TIN 76864 1-1/4 1/2 3 .370 82° Carbide TiN Tang 0.00 309.61
1.2500 78125003A 76865 1-1/4 1/2 3 .370 90° Carbide ALtima® Tang 0.00 309.61
1.2500 78125003TIN 78104 1-1/4 1/2 3 .370 90° Carbide TiN Tang 0.00 309.61
1.5000 78150001 78216 1-1/2 3/4 3-1/2 .430 60° Carbide Uncoated Tang 0.00 283.09
1.5000 78150002 78221 1-1/2 3/4 3-1/2 .430 82° Carbide Uncoated Tang 34.00 283.09
1.5000 78150003 78226 1-1/2 3/4 3-1/2 .430 90° Carbide Uncoated Tang 0.00 283.09
1.5000 78150002A 12718 1-1/2 3/4 3-1/2 .430 82° Carbide ALtima® Tang 0.00 356.64
1.5000 78150001A 78105 1-1/2 3/4 3-1/2 .430 60° Carbide ALtima® Tang 0.00 356.64