Countersinks - Series 79

HSS Chatterless 6 Flute Countersink
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.  
  • 6 Flutes
  • HSS
  • 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°
  • Straight shank with tang drive on sizes 1-1/4" and above
  • Steam homogeneous surface treatment (blackening) is used to prolong tool life and prevent galling
  • Material Applications: Steels, Hardened Steels, Stainless Steels, Cast Iron, Special and High Temp Alloys, and Non-Ferrous
* This is a non-stock and non-returnable item
Tool EDP Diameter Shank Diameter Oal Nc Od Max Included Angle Available Price
79087504 79236 7/8 1/2 2-3/4 .230 100°
79150006 79316 1-1/2 3/4 3-1/2 .430 120°
79018703 79056 3/16 3/16 1-1/2 .040 90°
79012501 79021 1/8 1/8 1-1/2 .030 60°
79100001 79246 1 1/2 2-3/4 .250 60°
79025001 79071 1/4 1/4 2 .060 60°
79125004 79286 1-1/4 1/2 3 .370 100°
79062506 79191 5/8 3/8 2-1/4 .180 120°
79025004 79086 1/4 1/4 2 .060 100°
79100006 79266 1 1/2 2-3/4 .250 120°
79075003 79206 3/4 1/2 2-3/4 .210 90°
79200001 79321 2 3/4 3-3/4 .620 60°
* 79800004 76873 Set 8 pc. 100°
79018702 79051 3/16 3/16 1-1/2 .040 82°
79037503 79131 3/8 1/4 2 .090 90°
79050001 79146 1/2 3/8 2 .150 60°
79125002 79276 1-1/4 1/2 3 .370 82°
* 79100003T 76872 1 1/2 2-3/4 .250 90°
79150004 79311 1-1/2 3/4 3-1/2 .430 100°
79300002 79366 3 3/4 5-1/4 1 82°
79025003 79081 1/4 1/4 2 .060 90°
79075004 79211 3/4 1/2 2-3/4 .210 100°
79150001 79296 1-1/2 3/4 3-1/2 .430 60°
79037501 79121 3/8 1/4 2 .090 60°
* 79075006T 76870 3/4 1/2 2-3/4 .210 120°
79087502 79226 7/8 1/2 2-3/4 .230 82°
79012506 79041 1/8 1/8 1-1/2 .030 120°
79031201 79096 5/16 1/4 2 .080 60°
* 79800001 10916 Set 8 pc. 60°
79300001 79361 3 3/4 5-1/4 1 60°
* 79800002 10917 Set 8 pc. 82°
79100004 79261 1 1/2 2-3/4 .250 100°
79050003 79156 1/2 3/8 2 .150 90°
79125006 79291 1-1/4 1/2 3 .370 120°
79031204 79111 5/16 1/4 2 .080 100°
* 79025002T 76866 1/4 1/4 2 .060 82°
79050004 79161 1/2 3/8 2 .150 100°
79100003 79256 1 1/2 2-3/4 .250 90°
79025006 79091 1/4 1/4 2 .060 120°
79031202 79101 5/16 1/4 2 .080 82°
79012502 79026 1/8 1/8 1-1/2 .030 82°
79087506 79241 7/8 1/2 2-3/4 .230 120°
79200004 79336 2 3/4 3-3/4 .620 100°
79050006 79166 1/2 3/8 2 .150 120°
79125001 79271 1-1/4 1/2 3 .370 60°
79075006 79216 3/4 1/2 2-3/4 .210 120°
79037506 79141 3/8 1/4 2 .090 120°
79250003 79356 2-1/2 3/4 5 .750 90°
79125003 79281 1-1/4 1/2 3 .370 90°
* 79062503T 76867 5/8 3/8 2-1/4 .180 90°
* 79100002T 76871 1 1/2 2-3/4 .250 82°
79037504 79136 3/8 1/4 2 .090 100°
79018701 79046 3/16 3/16 1-1/2 .040 60°
79250002 79351 2-1/2 3/4 5 .750 82°
79300003 79371 3 3/4 5-1/4 1 90°
79062502 79176 5/8 3/8 2-1/4 .180 82°
79025002 79076 1/4 1/4 2 .060 82°
79100002 79251 1 1/2 2-3/4 .250 82°
79150002 79301 1-1/2 3/4 3-1/2 .430 82°
79075002 79201 3/4 1/2 2-3/4 .210 82°
79062501 79171 5/8 3/8 2-1/4 .180 60°
79087503 79231 7/8 1/2 2-3/4 .230 90°
* 79800006 76874 Set 8 pc. 120°
79018704 79061 3/16 3/16 1-1/2 .040 100°
79087501 79221 7/8 1/2 2-3/4 .230 60°
79200002 79326 2 3/4 3-3/4 .620 82°
79250001 79346 2-1/2 3/4 5 .750 60°
* 79800003 10918 Set 8 pc. 90°
79050002 79151 1/2 3/8 2 .150 82°
79037502 79126 3/8 1/4 2 .090 82°
* 79075003T 76869 3/4 1/2 2-3/4 .210 90°
79062504 79186 5/8 3/8 2-1/4 .180 100°
79031206 79116 5/16 1/4 2 .080 120°
79075001 79196 3/4 1/2 2-3/4 .210 60°
79031203 79106 5/16 1/4 2 .080 90°
79012503 79031 1/8 1/8 1-1/2 .030 90°
* 79075002T 76868 3/4 1/2 2-3/4 .210 82°
79062503 79181 5/8 3/8 2-1/4 .180 90°
79200006 79341 2 3/4 3-3/4 .620 120°
79012504 79036 1/8 1/8 1-1/2 .030 100°
79018706 79066 3/16 3/16 1-1/2 .040 120°
79150003 79306 1-1/2 3/4 3-1/2 .430 90°
79200003 79331 2 3/4 3-3/4 .620 90°