M.A. Ford Countersinks

Click on Tool No. to Order Online.

MA Ford Countersinks — Tool Numbers & Specs
60° 82° 90° 100° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP Tool No. EDP
60012501 60001 60012502 60006 60012503 60011 60012504 60016 1/8 1/8 .030* 1-1/2
60018701 60021 60018702 60026 60018703 60031 60018704 60036 3/16 3/16 .045 1-1/2
60025001 60041 60025002 60046 60025003 60051 60025004 60056 1/4 1/4 .045 2
60037501 60061 60037502 60066 60037503 60071 60037504 60076 3/8 1/4 .060 2
60050001 60081 60050002 60086 60050003 60091 60050004 60096 1/2 1/4 .060 2-3/8
60075001 60101 60075002 60106 60075003 60111 60075004 60116 3/4 1/2 .120 3
60100001 60121 60100002 60126 60100003 60131 60100004 60136 1 1/2 .120 3

*60° - .015 max.
Standard angles may be modified from 55° to 99°.

ma ford countersinks
MA Ford Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
61012501 61001 61012502 61006 61012503 61011 1/8 1/8 .030 1-1/2
61018701 61026 61018702 61031 61018703 61036 3/16 3/16 .045 1-1/2
61025001 61051 61025002 61056 61025003 61061 1/4 1/4 .045 2
61037501 61076 61037502 61081 61037503 61086 3/8 1/4 .060 2
61050001 61101 61050002 61106 61050003 61111 1/2 1/4 .060 2
61062501 61126 61062502 61131 61062503 61136 5/8 1/4 .060 2-1/4
61075001 61151 61075002 61156 61075003 61161 3/4 1/2 .120 2-3/4
61100001 61176 61100002 61181 61100003 61186 1 1/2 .120 2-3/4
61125001 61201 61125002 61206 61125003 61211 1-1/4 1/2* .120 3
61150001 61216 61150002 61221 61150003 61226 1-1/2 3/4* .250 3-1/2
61200001 61231 61200002 61236 61200003 61241 2 3/4* .500 3-3/4
61250001 61246 61250002 61251 61250003 61256 2-1/2 3/4* .750 5
61300001 61261 61300002 61266 61300003 61271 3 3/4* 1.000 5-1/4
MA Ford Countersinks — Tool Numbers & Specs
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
61012504 61016 61012506 61021 1/8 1/8 .030 1-1/2
61018704 61041 61018706 61046 3/16 3/16 .045 1-1/2
61025004 61066 61025006 61071 1/4 1/4 .045 2
61037504 61091 61037506 61096 3/8 1/4 .060 2
61050004 61116 61050006 61121 1/2 1/4 .060 2
61062504 61141 61062506 61146 5/8 1/4 .060 2-1/4
61075004 61166 61075006 61171 3/4 1/2 .120 2-3/4
61100004 61191 61100006 61196 1 1/2 .120 2-3/4

*Straight shank with tang drive.
Standard angles may be modified from 55° to 119° for O.D. 1" and below.
O.D. greater than 1" may be modified from 55° to 89°.

ma ford countersinks
MA Ford 61B Series Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
61B012501 61003 61B012502 61008 61B012503 61013 1/8 1/8 .030 1-1/2
61B018701 61028 61B018702 61033 61B018703 61038 3/16 3/16 .045 1-1/2
61B025001 61053 61B025002 61058 61B025003 61063 1/4 1/4 .045 2
61B037501 61078 61B037502 61083 61B037503 61088 3/8 1/4 .060 2
61B050001 61103 61B050002 61108 61B050003 61113 1/2 1/4 .060 2
61B062501 61128 61B062502 61133 61B062503 61138 5/8 1/4 .060 2-1/4
61B075001 61153 61B075002 61158 61B075003 61163 3/4 1/2 .120 2-3/4
61B100001 61178 61B100002 61183 61B100003 61188 1 1/2 .120 2-3/4
MA Ford 61B Series Countersinks — Tool Numbers & Specs
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
61B012504 61018 61B012506 61023 1/8 1/8 .030 1-1/2
61B018704 61043 61B018706 61048 3/16 3/16 .045 1-1/2
61B025004 61068 61B025006 61073 1/4 1/4 .045 2
61B037504 61093 61B037506 61098 3/8 1/4 .060 2
61B050004 61118 61B050006 61123 1/2 1/4 .060 2
61B062504 61143 61B062506 61148 5/8 1/4 .060 2-1/4
61B075004 61168 61B075006 61173 3/4 1/2 .120 2-3/4
61B100004 61193 61B100006 61198 1 1/2 .120 2-3/4

Angles modified from 55° to 119° available as a special.
Contact customer service for details.

Coating Properties
TiN ALtima® Blaze
Micro Hardness (HV) 2300 3200
Max. Working Temperature 600° C
1112° F		 1100° C
2012° F
Friction Coefficient 0.40 0.35
hss uniflute series 61t
MA Ford 61T Series Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
61T012501 61002 61T012502 61007 61T012503 61012 1/8 1/8 .030 1-1/2
61T018701 61027 61T018702 61032 61T018703 61037 3/16 3/16 .045 1-1/2
61T025001 61052 61T025002 61057 61T025003 61062 1/4 1/4 .045 2
61T037501 61077 61T037502 61082 61T037503 61087 3/8 1/4 .060 2
61T050001 61102 61T050002 61107 61T050003 61112 1/2 1/4 .060 2
61T062501 61127 61T062502 61132 61T062503 61137 5/8 1/4 .060 2-1/4
61T075001 61152 61T075002 61157 61T075003 61162 3/4 1/2 .120 2-3/4
61T100001 61177 61T100002 61182 61T100003 61187 1 1/2 .120 2-3/4
MA Ford 61T Series Countersinks — Tool Numbers & Specs
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
61T012504 61017 61T012506 61022 1/8 1/8 .030 1-1/2
61T018704 61042 61T018706 61047 3/16 3/16 .045 1-1/2
61T025004 61067 61T025006 61072 1/4 1/4 .045 2
61T037504 61092 61T037506 61097 3/8 1/4 .060 2
61T050004 61117 61T050006 61122 1/2 1/4 .060 2
61T062504 61142 61T062506 61147 5/8 1/4 .060 2-1/4
61T075004 61167 61T075006 61172 3/4 1/2 .120 2-3/4
61T100004 61192 61T100006 61197 1 1/2 .120 2-3/4

Modified angles from 55° to 119° available as a special.
Contact customer service for details.

zero flute series 67
MA Ford 6700 Series Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC OAL
Tool No. EDP Tool No. EDP Tool No. EDP Min.** Max
67018701 67001 67018702 67006 67018703 67011 3/16 3/16 .06 .17 1-1/2
67025001 67016 67025002 67021 67025003 67026 1/4 1/4 .09 .23 2
67043701 67031 67043702 67036 67043703 67041 7/16 1/4 .15 .40 2
67056201 67046 67056202 67051 67056203 67056 9/16 1/4 .19 .53 2
67081201 67061 67081202 67066 67081203 67071 13/16 1/2 .25 .78 2-5/8
67112501 67076 67112502 67081 67112503 67086 1-1/8 1/2 .44 1.03 2-7/8
67150001 67091 67150002 67096 67150003 67101 1-1/2 1/2 .50 1.46 3-1/2
chatterless six flute series 79b
MA Ford 79B Series Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
79B012501 79023 79B012502 79028 79B012503 79033 1/8 1/8 0.03 1-1/2
79B018701 79048 79B018702 79053 79B018703 79058 3/16 3/16 0.04 1-1/2
79B025001 79073 79B025002 79078 79B025003 79083 1/4 1/4 0.06 2
79B037501 79123 79B037502 79128 79B037503 79133 3/8 1/4 0.09 2
79B050001 79148 79B050002 79153 79B050003 79158 1/2 3/8 0.15 2
79B062501 79173 79B062502 79178 79B062503 79183 5/8 3/8 0.18 2-1/4
79B075001 79198 79B075002 79203 79B075003 79208 3/4 1/2 0.21 2-3/4
79B100001 79248 79B100002 79253 79B100003 79258 1 1/2 0.25 2-3/4
MA Ford 79B Series Countersinks — Tool Numbers & Specs
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
79B012504 79039 79B012506 79043 1/8 1/8 0.03 1-1/2
79B018704 79064 79B018706 79068 3/16 3/16 0.04 1-1/2
79B025004 79089 79B025006 79093 1/4 1/4 0.06 2
79B037504 79139 79B037506 79143 3/8 1/4 0.09 2
79B050004 79164 79B050006 79168 1/2 3/8 0.15 2
79B062504 79189 79B062506 79193 5/8 3/8 0.18 2-1/4
79B075004 79214 79B075006 79218 3/4 1/2 0.21 2-3/4
79B100004 79264 79B100006 79268 1 1/2 0.25 2-3/4
Coating Properties
TiN ALtima® Blaze
Micro Hardness (HV) 2300 3200
Max. Working Temperature 600° C
1112° F		 1100° C
2012° F
Friction Coefficient 0.40 0.35
HSS Uniflute@- Series 64 Sets

4 Piece Set No. EDP SIG
64100001 64001 60°
64100002 64006 82°
64100003 64011 90°
64100004 64016 100°
64100006 64021 120°

7 Piece Set No. EDP SIG
64100071 64003 60°
64100072 64008 82°
64100073 64013 90°
64100074 64018 100°
64100076 64023 120°

TiN 4 Piece Set No. EDP SIG
64T100001 64025 60°
64T100002 64027 82°
64T100003 64029 90°
Chatterless Six Flute - Series 78
MA Ford 7800 / 7810 Series Countersinks — Tool Numbers & Specs
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
78012501 78001 78012502 78006 78012503 78011 1/8 1/8 0.03 1-1/2
78018701 78026 78018702 78031 78018703 78036 3/16 3/16 0.04 1-1/2
78025001 78051 78025002 78056 78025003 78061 1/4 1/4 0.06 2
78037501 78076 78037502 78081 78037503 78086 3/8 1/4 0.09 2
78050001 78101 78050002 78106 78050003 78111 1/2 3/8 0.15 2-1/4
78062501 78126 78062502 78131 78062503 78136 5/8 3/8 0.18 2-3/8
78075001 78151 78075002 78156 78075003 78161 3/4 1/2 0.21 2-3/4
78100001 78176 78100002 78181 78100003 78186 1 1/2 0.25 2-3/4
78125001 78201 78125002 78206 78125003 78211 1-1/4 1/2* 0.37 3
78150001 78216 78150002 78221 78150003 78226 1-1/2 3/4* 0.43 3-1/2

*Straight shank with tang drive.

MA Ford 7800 / 7810 Series Countersinks — 100° / 120°
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
78012504 78016 78012506 78021 1/8 1/8 0.03 1-1/2
78018704 78041 78018706 78046 3/16 3/16 0.04 1-1/2
78025004 78066 78025006 78071 1/4 1/4 0.06 2
78037504 78091 78037506 78096 3/8 1/4 0.09 2
78050004 78116 78050006 78121 1/2 3/8 0.15 2-1/4
78062504 78141 78062506 78146 5/8 3/8 0.18 2-3/8
78075004 78166 78075006 78171 3/4 1/2 0.21 2-3/4
78100004 78191 78100006 78196 1 1/2 0.25 2-3/4

*Straight shank with tang drive.

Chatterless Six Flute - series 79

MA Ford 7900 Series Countersinks — 60° / 82° / 90°
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
79012501 79021 79012502 79026 79012503 79031 1/8 1/8 0.03 1-1/2
79018701 79046 79018702 79051 79018703 79056 3/16 3/16 0.04 1-1/2
79025001 79071 79025002 79076 79025003 79081 1/4 1/4 0.06 2
79031201 79096 79031202 79101 79031203 79106 5/16 1/4 0.08 2
79037501 79121 79037502 79126 79037503 79131 3/8 1/4 0.09 2
79050001 79146 79050002 79151 79050003 79156 1/2 3/8 0.15 2
79062501 79171 79062502 79176 79062503 79181 5/8 3/8 0.18 2-1/4
79075001 79196 79075002 79201 79075003 79206 3/4 1/2 0.21 2-3/4
79087501 79221 79087502 79226 79087503 79231 7/8 1/2 0.23 2-3/4
79100001 79246 79100002 79251 79100003 79256 1 1/2 0.25 2-3/4
79125001 79271 79125002 79276 79125003 79281 1-1/4 1/2** 0.37 3
79150001 79296 79150002 79301 79150003 79306 1-1/2 3/4** 0.43 3-1/2
79200001 79321 79200002 79326 79200003 79331 2 3/4** 0.62 3-3/4
79250001 79346 79250002 79351 79250003 79356 2-1/2 3/4** 0.75 5
79300001 79361 79300002 79366 79300003 79371 3 3/4** 1 5-1/4
MA Ford 7900 Series Countersinks — 100° / 120°
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
79012504 79036 79012506 79041 1/8 1/8 0.03 1-1/2
79018704 79061 79018706 79066 3/16 3/16 0.04 1-1/2
79025004 79086 79025006 79091 1/4 1/4 0.06 2
79031204 79111 79031206 79116 5/16 1/4 0.08 2
79037504 79136 79037506 79141 3/8 1/4 0.09 2
79050004 79161 79050006 79166 1/2 3/8 0.15 2
79062504 79186 79062506 79191 5/8 3/8 0.18 2-1/4
79075004 79211 79075006 79216 3/4 1/2 0.21 2-3/4
79087504 79236 79087506 79241 7/8 1/2 0.23 2-3/4
79100004 79261 79100006 79266 1 1/2 0.25 2-3/4
79125004 79286 79125006 79291 1-1/4 1/2** 0.37 3
79150004 79311 79150006 79316 1-1/2 3/4** 0.43 3-1/2
79200004 79336 79200006 79341 2 3/4** 0.62 3-3/4

** Straight shank with tang drive.

Chatterless Six Flute - Series 79T
MA Ford 79T Series Countersinks — 60° / 82° / 90°
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
79T012501 79022 79T012502 79027 79T012503 79032 1/8 1/8 0.03 1-1/2
79T018701 79047 79T018702 79052 79T018703 79057 3/16 3/16 0.04 1-1/2
79T025001 79072 79T025002 79077 79T025003 79082 1/4 1/4 0.06 2
79T037501 79122 79T037502 79127 79T037503 79132 3/8 1/4 0.09 2
79T050001 79147 79T050002 79152 79T050003 79157 1/2 3/8 0.15 2
79T062501 79172 79T062502 79177 79T062503 79182 5/8 3/8 0.18 2-1/4
79T075001 79197 79T075002 79202 79T075003 79207 3/4 1/2 0.21 2-3/4
79T100001 79247 79T100002 79252 79T100003 79257 1 1/2 0.25 2-3/4
MA Ford 79T Series Countersinks — 100° / 120°
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
79T012504 79037 79T012506 79042 1/8 1/8 0.03 1-1/2
79T018704 79062 79T018706 79067 3/16 3/16 0.04 1-1/2
79T025004 79087 79T025006 79092 1/4 1/4 0.06 2
79T037504 79137 79T037506 79142 3/8 1/4 0.09 2
79T050004 79162 79T050006 79167 1/2 3/8 0.15 2
79T062504 79187 79T062506 79192 5/8 3/8 0.18 2-1/4
79T075004 79212 79T075006 79217 3/4 1/2 0.21 2-3/4
79T100004 79262 79T100006 79267 1 1/2 0.25 2-3/4

4 Piece
Set No.		 EDP SIG
79000011 79003 60°
79000012 79008 82°
79000013 79013 90°
79000014 79019 100°

7 Piece
Set No.		 EDP SIG
79000001 79001 60°
79000002 79006 82°
79000003 79011 90°
79000004 79016 100°

TiN 4 Piece
Set No.		 EDP SIG
79T000011 79380 60°
79T000012 79382 82°
79T000013 79384 90°
Aircraft - series 92
MA Ford 92xx Countersinks — 60° / 82° / 90°
60° 82° 90° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP Tool No. EDP
92025001 94101 92025002 94103 92025003 94105 1/4 1/4 0.07 1-1/4
92037501 94113 92037502 94115 92037503 94117 3/8 1/4 0.11 1-5/8
92050001 94125 92050002 94127 92050003 94129 1/2 1/4 0.15 2
92062501 94137 92062502 94139 92062503 94141 5/8 1/4 0.19 2-1/4
92075001 94149 92075002 94151 92075003 94153 3/4 1/2 0.23 3
92087501 94161 92087502 94163 92087503 94165 7/8 1/2 0.26 3
92100001 94173 92100002 94175 92100003 94177 1 1/2 0.30 3-1/4
92112501 94185 92112502 94187 92112503 94189 1-1/8 1/2 0.34 3-1/4
92125001 94197 92125002 94199 92125003 94201 1-1/4 5/8 0.38 3-1/2
92150001 94209 92150002 94211 92150003 94213 1-1/2 3/4 0.45 3-7/8
92200001 94221 92200002 94223 92200003 94225 2 3/4 0.60 4-1/4
MA Ford 92xx Countersinks — 100° / 120°
100° 120° DCX DCONMS Non-DC (Max) OAL
Tool No. EDP Tool No. EDP
92025004 94107 92025006 94111 1/4 1/4 0.07 1-1/4
92037504 94119 92037506 94123 3/8 1/4 0.11 1-5/8
92050004 94131 92050006 94135 1/2 1/4 0.15 2
92062504 94143 92062506 94147 5/8 1/4 0.19 2-1/4
92075004 94155 92075006 94159 3/4 1/2 0.23 3
92087504 94167 92087506 94171 7/8 1/2 0.26 3
92100004 94179 92100006 94183 1 1/2 0.30 3-1/4
92112504 94191 92112506 94195 1-1/8 1/2 0.34 3-1/4
92125004 94203 92125006 94207 1-1/4 5/8 0.38 3-1/2
92150004 94215 92150006 94219 1-1/2 3/4 0.45 3-7/8
92200004 94227 92200006 94231 2 3/4 0.60 4-1/4

Standard angles maybe modified from 550 to 1190.

5 Piece
Set No.		 EDP SIG
92000011 96380 60°
92000012 96381 82°
92000013 96382 90°
92000014 96383 100°
92000016 96385 120°