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Countersink Cutters
A Countersink Cutter, or Countersink Bit is used to cut or enlarge a conical edge to a pre-drilled hole, usually in metal. A fluted countersink cutter is used to provide a heavy chamfer in the entrance to a drilled hole.
529 Countersink Cutters, showing 200, (click on any line for more information)
| Buy Countersink Cutters from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| GLF | OH | Countersink Cutters | 3/8 x 6 | 3/8 6-flute countersink hss () () () | 1,000 |
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| GLF | OH | Countersink Cutters | 3/4 x 1 | 3/4 1-flute 90 deg countersink hss () () () | 2,000 |
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| GLF | OH | Countersink Cutters | 1/4 | 1/4 single flute countersink 82-deg () | 4,000 |
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| METRO IND | OH | Countersink Cutters | Steel | M14 x 50 | M14x50 counterbore thick flange 12 point cap screw alloy 170 000 psi | 7 |
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| METRO IND | OH | Countersink Cutters | Steel | 7/8-1/2 | 7/8-1/2 shank 82 deg 4 flute countersink | 5 |
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| METRO IND | OH | Countersink Cutters | Steel | 3/8-16 x 2 3/4 | 3/8-16 x 2 3/4 counterbore alloy | 40 |
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| METRO IND | OH | Countersink Cutters | Steel | 4 | asa # 4 hss combined drill & countersink | 12 |
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| METRO IND | OH | Countersink Cutters | Steel | #1 | #1 drill & countersink hss | 10 |
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| METRO IND | OH | Countersink Cutters | Steel | #2 | #2 drill & countersink hss | 10 |
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| METRO IND | OH | Countersink Cutters | Steel | #3 | #3 drill & countersink hss | 19 |
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| METRO IND | OH | Countersink Cutters | Steel | #4 | #4 drill & countersink hss | 1 |
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| METRO IND | OH | Countersink Cutters | Steel | #5 | #5 drill & countersink hss | 14 |
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| METRO IND | OH | Countersink Cutters | Steel | #6 | #6 drill & countersink hss | 11 |
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| METRO IND | OH | Countersink Cutters | Steel | #7 | #7 drill & countersink hss | 7 |
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| METRO IND | OH | Countersink Cutters | Class 12.9 | M24 x 100 | m24 x 100 counterbore 12 point cap screw 12.9 | 867 |
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| METRO IND | OH | Countersink Cutters | Class 12.9 | M24 x 110 | m24 x 110 counterbore 12 point cap screw 12.9 | 38 |
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| Jackson | MS | Countersink Cutters | Steel | labels custom printed per order bolt bin | 851 |
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| Jackson | MS | Countersink Cutters | Steel | 1/2-13 x 1nc left hand grade 8 bolt custom order | 6 |
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| TownCountry | AR | Countersink Cutters | Steel | Plain | 5/8 | center reamer countersink 3 flute 82 deg. 1/2 shank | 3 |
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| TownCountry | AR | Countersink Cutters | 1/2 x 3/16 countersink 4 flute type-c | 3 |
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| Jackson | MS | Countersink Cutters | 3/8 | 3/8 countersink 1 flute 82 degree | 1 |
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| Jackson | MS | Countersink Cutters | Steel | Plain | 1 | 1 countersink 6 flute 82 degree hss | 2 |
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| Jackson | MS | Countersink Cutters | Steel | 40 | 40 hole bin 33.75w x 23.75 tall x 12 deep bolt bin | 4 |
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| Jackson | MS | Countersink Cutters | Steel | 56 | 56 hole bin 33.75w x 42 tall x 12 deep bolt bin | 1 |
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| Jackson | MS | Countersink Cutters | Steel | Plain | flute 82 degree chatterless countersink hs m-2 #39e132b | 18 |
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| Jackson | MS | Countersink Cutters | Steel | Plain | 3/4 | countersink 6 flute 82 degree | 3 |
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| Jackson | MS | Countersink Cutters | Steel | Plain | flute 82 degree countersink | 8 |
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| Set Screw | IL | Countersink Cutters | Steel | #10-32 x .320 5n plier bolt not hard | inquire |
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| Set Screw | IL | Countersink Cutters | Steel | #10-32 x .320 5n plier bolt alloy sae 4135 heat treated r/c 38-42 | inquire |
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| NAPPCO | TX | Countersink Cutters | 3/4 | 3/4 hss countersink three flute 82 angle | 9 |
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| NAPPCO | TX | Countersink Cutters | 1/2 | 1/2 hss countersink three flute 82 angle | 6 |
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| NAPPCO | TX | Countersink Cutters | 3/8 | 3/8 hss countersink three flute 82 angle | 1 |
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| Jackson | MS | Countersink Cutters | 5/16 | 5/16 countersink 1 flute 82 degree | 1 |
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| YANKEE | NH | Countersink Cutters | drill/countersink combo #1-us made | 2 |
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| YANKEE | NH | Countersink Cutters | drill/countersink combo #3-us made | 1 |
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| YANKEE | NH | Countersink Cutters | drill/countersink combo #4-us made | 2 |
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| YANKEE | NH | Countersink Cutters | drill/countersink combo #4-usa made | 1 |
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| YANKEE | NH | Countersink Cutters | drill/countersink combo #5-import | 2 |
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| YANKEE | NH | Countersink Cutters | M#7 x 1/4 | drill/countersink combo #7 1/4 | 2 |
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| YANKEE | NH | Countersink Cutters | M3/4 x 6 | drill/countersink combo 3/4x6 ll | 1 |
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| YANKEE | NH | Countersink Cutters | 3 | 3 flute countersink-60deg-1/2 tool | 1 |
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| YANKEE | NH | Countersink Cutters | 82 | 82deg #6 weldon pilotless countersink usa | 1 |
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| YANKEE | NH | Countersink Cutters | 82 | 82deg #8 weldon pilotless countersink usa | 1 |
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| YANKEE | NH | Countersink Cutters | Steel | 5/8-3 | 5/8-3 flute hss countersink-82 degree | 1 |
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| YANKEE | NH | Countersink Cutters | Steel | 3/4-3 | 3/4-3 flute hss countersink-82 degree | 1 |
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| Endries | WI | Countersink Cutters | Steel | 9/16 x 2 13/16 | 07-054-036 9/16x2-13/16 overall length high speed steel 4 flute interchangeable pilot type-counterbore | 4 |
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| BHAM | AL | Countersink Cutters | Steel | tight seal bolt clamp 6-29/32 to 7-7/3 | 198 |
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| BHAM | AL | Countersink Cutters | Steel | Galvanized | 5/8-11 x 2 7/8 | 5/8-11 x 2 7/8 cevis bolt gr 5 hdg | | 26643 |
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| Endries | WI | Countersink Cutters | Steel | 3/16 | sc-7 45 degree 3/16 pilot high speed steel thread stop countersink | 33 |
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| Endries | WI | Countersink Cutters | Steel | 1/4 | 195-1/2 1/2 82 degree 5 flute 1/4 shank countersink bit | 138 |
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| MESAFAST | CA | Countersink Cutters | Plain | #6 82 | degree single flute countersink | 3.0 |
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| MESAFAST | CA | Countersink Cutters | Plain | #4/5 82 | degree single flute countersink | 3.0 |
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| MESAFAST | CA | Countersink Cutters | Plain | #8 82 | degree single flute countersink | 7.0 |
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| MESAFAST | CA | Countersink Cutters | 3/4 | 3/4 82 degree single flute countersink | 1.0 |
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| OneMonroe | NC | Countersink Cutters | Steel | 3/8 | zero flute 82 degree countersink 3/8 piloted | 3 |
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| OneMonroe | NC | Countersink Cutters | Steel | 3/8 | 3/8 three flute countersink/center reamer hss straight shank 82 angle | 1 |
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| OneMonroe | NC | Countersink Cutters | Steel | 82 1/4 | 5/8 monolock 5 flute countersink hss 82 1/4 hex shank bulk | 2 |
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| OneMonroe | NC | Countersink Cutters | Steel | #5 | #5 eco pro 82 countersink & deburring tools fluteless hss straight shank | 1 |
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| OneMonroe | NC | Countersink Cutters | Steel | 1/4 | 1/4 single flute countersink hss 82 | 2 |
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| OneMonroe | NC | Countersink Cutters | Steel | #0 | #0 82deg hs double end countersink | 8 |
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| Jay-Cee | MI | Countersink Cutters | Steel | w14020 bolt 1/4-20 | inquire |
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| Jay-Cee | MI | Countersink Cutters | Steel | bolt m12 for bp60 riveter | inquire |
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| Jay-Cee | MI | Countersink Cutters | Steel | w51618 bolt 5/16-18 | inquire |
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| NutsBolts | NE | Countersink Cutters | 1/4 x 82 | 1/4 82 countersink bit | 3 |
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| NutsBolts | NE | Countersink Cutters | 3/4 x 82 | 3/4 82 countersink bit | 6 |
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| NutsBolts | NE | Countersink Cutters | 1/2 x 82 | 1/2 82 countersink bit | 13 |
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| Jackson | MS | Countersink Cutters | 1/4 | 1/4 countersink 1 flute 82 degree | 1 |
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| YANKEE | NH | Countersink Cutters | Steel | single flute countersink-82deg-1/2 tool high speed steel | 1 |
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| YANKEE | NH | Countersink Cutters | 1/2 | 1/2 82deg 6-flute catterless countersink | 1 |
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| BIG BOLT | IL | Countersink Cutters | Steel | Plain | bolts & cap screws12 point flange screw (counterbore)1 3/4-5x7b18.2.1 | 241 |
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| BIG BOLT | IL | Countersink Cutters | Class 10.9 | Plain | M16-2.00 x 60 | bolts & cap screws12 point flange screw (counterbore) | 8350 |
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| BIG BOLT | IL | Countersink Cutters | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | bolts & cap screws12 point flange screw (counterbore)300 (a1 a2 18-8 304 310 etc.)3/4-10x7square b18.2.1 | 250 |
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| BIG BOLT | IL | Countersink Cutters | Steel | Plain | bolts & cap screws12 point flange screw (counterbore)5/16-18x512 pt counter bore | 3600 |
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| BIG BOLT | IL | Countersink Cutters | Steel | Plain | bolts & cap screws12 point flange screw (counterbore)1 3/4-5x812pt (hardened) | 300 |
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| BIG BOLT | IL | Countersink Cutters | Steel | Plain | bolts & cap screws12 point flange screw (counterbore)1 3/4-5x4b18.2.1 | 264 |
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| BIG BOLT | IL | Countersink Cutters | Steel | Phosphate | bolts & cap screws12 point flange screw (counterbore)m10x15012pt flange oiled | 93000 |
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| Ababa | CA | Countersink Cutters | 1-3/64 1/8 | 1 (3/64) 1/8 body x 1-1/4 oal drill/countersink hss | 3 |
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| Ababa | CA | Countersink Cutters | 3-7/64 1/4 | 3 (7/64) 1/4 body x 2 oal drill/countersink hss | 12 |
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| Ababa | CA | Countersink Cutters | 4-1/8 5/16 | 4 (1/8) 5/16 body x 2-1/8 oal drill/countersink hss | 12 |
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| Ababa | CA | Countersink Cutters | 5-3/16 7/16 | 5 (3/16) 7/16 body x 2-3/4 oal drill/countersink hss | 3 |
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| Ababa | CA | Countersink Cutters | 6-7/32 1/2 | 6 (7/32) 1/2 body x 3 oal drill/countersink hss | 2 |
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| Ababa | CA | Countersink Cutters | 0-1/32 1/8 | 0 (1/32) 1/8 body x 1-1/4 oal drill/countersink hss | 12 |
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| Ababa | CA | Countersink Cutters | 3-7/64 1/4 | 3 (7/64) 1/4 body x 2 o.a.l carbide drill/countersink | 3 |
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| Ababa | CA | Countersink Cutters | 4-1/8 5/16 | 4 (1/8) 5/16 body x 2-1/8 o.a.l carbide drill/countersink | 2 |
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| Ababa | CA | Countersink Cutters | 6-7/32 1/2 | 6 (7/32) 1/2 body x 3 o.a.l carbide drill/countersink | 1 |
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| Ababa | CA | Countersink Cutters | 0-1/32 1/8 | 0 (1/32) 1/8 body x 1-1/2 o.a.l drill/countersink | 1 |
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| Ababa | CA | Countersink Cutters | 00 1/8 | 00 (.025) 1/8 body x 1-1/2 o.a.l drill/countersink | 1 |
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| Ababa | CA | Countersink Cutters | 1 | 1 three flute countersink 82 deg. | 3 |
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| Ababa | CA | Countersink Cutters | 1/2 | 1/2 three flute countersink 82 deg. | 2 |
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| Ababa | CA | Countersink Cutters | 1/2 | 1/2 three flute countersink 90 deg. | 1 |
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| Ababa | CA | Countersink Cutters | 1/4 | 1/4 three flute countersink 82 deg. | 4 |
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| Ababa | CA | Countersink Cutters | 3/4 | 3/4 three flute countersink 82 deg. | 2 |
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| Ababa | CA | Countersink Cutters | 3/8 | 3/8 three flute countersink 82 deg. | 4 |
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| Ababa | CA | Countersink Cutters | 5/8 | 5/8 three flute countersink 82 deg. | 4 |
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| Ababa | CA | Countersink Cutters | 1/2 | 1/2 three flute countersink 100 deg. | 1 |
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| Ababa | CA | Countersink Cutters | 3/4 | 3/4 three flute countersink 100 deg. | 1 |
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| Komar | OH | Countersink Cutters | Steel | 5/16-18 x 1 1/4 bolt-rib(.354x.435)neck hdrpt 18-8 | 1920 |
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| Komar | OH | Countersink Cutters | Steel | Zinc/Clear | 5/16-18 x 2 1/2 bolt(1/4hd)rib nk f/t gr5.1 zc | 1350 |
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| MESAFAST | CA | Countersink Cutters | .431-7/8 82 degree single flute countersink countersink | 1.0 |
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| Express | CA | Countersink Cutters | 3/8x82 degree single flute countersink | 2 |
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| SII | IN | Countersink Cutters | countersink with collar for 1/8 bit 5 screw size | 5 |
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| SII | IN | Countersink Cutters | 3/8 | 3/8 hss 82 6 flute countersink | 4 |
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| SII | IN | Countersink Cutters | countersink with collar for 9/64 bit #6 screw size | 2 |
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| MidStates | MI | Countersink Cutters | 3/8 #799 countersink 3-flute | 2 |
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| WDMB | IA | Countersink Cutters | Copper | dbit countersink coppert .128x3/8 serratedvance 15777 (W0S0) | 85 |
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| Northern | MN | Countersink Cutters | s/o #3 drill & countersink combo-union butterfield | 2 |
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| Northern | MN | Countersink Cutters | s/o 1/2-13x2 12pt counterbore capscrew rie4605 gold | 1524 |
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| Northern | MN | Countersink Cutters | s/o #8 countersink repl bit dew11/64 bit | 8 |
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| Northern | MN | Countersink Cutters | s/o 1 hs combined drill & csk-pla | 4 |
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| Northern | MN | Countersink Cutters | s/o 1/2-13x1-1/4 12pt counterbore capscrew | 230 |
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| HBBOLT | CA | Countersink Cutters | 3/4 | single-flute countersink [82 / carbide] | 2 |
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| HBBOLT | CA | Countersink Cutters | 5/16 | single-flute countersink [82] | 4 |
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| HBBOLT | CA | Countersink Cutters | 3/8 | single-flute countersink [82 / carbide] | 2 |
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| HBBOLT | CA | Countersink Cutters | 3/8 | single-flute countersink [82] | 7 |
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| HBBOLT | CA | Countersink Cutters | 1/4 | single-flute countersink [82] | 9 |
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| HBBOLT | CA | Countersink Cutters | 1/2 | single-flute countersink [82] | 8 |
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| HBBOLT | CA | Countersink Cutters | 3/4 | single-flute countersink [82] | 1 |
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| HBBOLT | CA | Countersink Cutters | cs18 [3/16 - 17/32] zero-flute countersink [82] | 31 |
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| HBBOLT | CA | Countersink Cutters | #6 | zero-flute countersink [82] | 15 |
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| HBBOLT | CA | Countersink Cutters | #8 | zero-flute countersink [82] | 16 |
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| HBBOLT | CA | Countersink Cutters | cs26 [.307 - 25/32] zero-flute countersink [82] | 11 |
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| HBBOLT | CA | Countersink Cutters | 5/8 | single-flute countersink [82] | 14 |
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| HBBOLT | CA | Countersink Cutters | #10 | zero-flute countersink [82] | 24 |
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| HBBOLT | CA | Countersink Cutters | 1 1/2 | single-flute countersink [82] | 1 |
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| HBBOLT | CA | Countersink Cutters | 1/8 | single-flute countersink [82 / carbide] | 2 |
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| HBBOLT | CA | Countersink Cutters | 1 1/4 | single-flute countersink [82] | 1 |
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| HBBOLT | CA | Countersink Cutters | 1/2 multi-flute countersink [hss] | 12 |
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| QFC | TX | Countersink Cutters | 1/8 x 5/16 x 4 | 1/8x5/16x4 drill/countersink | 3 |
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| B & K FAST | PA | Countersink Cutters | #3 | #3 combined drill & countersink | 1 |
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| B & K FAST | PA | Countersink Cutters | #4 | #4 double end combined drill & countersink | 10 |
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| B & K FAST | PA | Countersink Cutters | #5 | #5 double end combined drill & countersink | 2 |
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| B & K FAST | PA | Countersink Cutters | 3/16 x 82 deg single flute countersinks | 4 |
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| B & K FAST | PA | Countersink Cutters | 3/8 x 6 | 3/8 x 82 deg 6 flute countersink | 1 |
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| B & K FAST | PA | Countersink Cutters | 1/2 x 6 | 1/2 x 82 deg 6 flute countersink | 2 |
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| B & K FAST | PA | Countersink Cutters | 5/8 x 6 | 5/8 x 82 deg 6 flute countersink | 1 |
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| B & K FAST | PA | Countersink Cutters | 3/4 x 6 | 3/4 x 82 deg 6 flute countersink | 1 |
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| B & K FAST | PA | Countersink Cutters | 1 x 6 | 1 x 82 deg 6 flute countersink | 1 |
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| ACF | CA | Countersink Cutters | 300 Stainless (A1,A2, 18-8,304,310 etc.) | 5/16-18 x 1 3/4 | 5/16-18x1-3/4 s/s 12 point counterbore capscrew | 3953 |
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| ACF | CA | Countersink Cutters | 1/2-13 x 1 3/4 | 1/2-13x1-3/4 12 point counterbore cap screw thermal black | 215 |
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| QFC | TX | Countersink Cutters | .570 x 100 | .570 x 100deg piloted countersink per drawing | 3 |
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| BoltCraft | NE | Countersink Cutters | 1-6 | 1-6 regular hss combined drill bit and countersink set | inquire |
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| BoltCraft | NE | Countersink Cutters | 3/4 x 82 | 3/4 82 brute hss single flute countersink | inquire |
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| SRF | AL | Countersink Cutters | Steel | Plain | 3/8 | sgl flute countersink 82 deg | - |
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| SRF | AL | Countersink Cutters | 1 | 1 sgl flute countersink 90 deg | - |
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| SRF | AL | Countersink Cutters | Steel | Plain | #4 x 82 | deg hss 9/16x1-1/16 countersink | - |
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| SRF | AL | Countersink Cutters | Steel | Plain | #3 x 82 | deg hss 5/16x25/32 countersink | - |
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| SRF | AL | Countersink Cutters | Steel | Plain | #1 x 82 | deg hss 5/32x13/32 countersink | - |
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| THRDFAST | FL | Countersink Cutters | 5/16 | countersink bit | 1 |
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| THRDFAST | FL | Countersink Cutters | 3/16 | countersink bit | 1 |
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| THRDFAST | OK | Countersink Cutters | 1/2 | countersink single flute 82deg | 1 |
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| THRDFAST | OK | Countersink Cutters | #4 | center/countersink drill bit | 5 |
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| THRDFAST | FL | Countersink Cutters | 1 | 1 countersink bit | 1 |
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| KBS | TN | Countersink Cutters | 1-1/8 60d 4 flute machine countersink | 2 |
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| All Size | TX | Countersink Cutters | 1/2 x 1/4 | 1/2 x 1/4 82 degree countersink single flute keo | 12 |
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| All Size | TX | Countersink Cutters | 3/4 x 3/8 | 3/4 x 3/8 82 degree countersink single flute | 3 |
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| All Size | TX | Countersink Cutters | 1/4 x 1/4 | 1/4 x 1/4 82 degree countersink single flute | 12 |
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| All Size | TX | Countersink Cutters | 3/8 x 1/4 | 3/8 x 1/4 82 degree countersink single flute | 19 |
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| All Size | TX | Countersink Cutters | 1/2 x 3/8 | 1/2 x 3/8 82 degree countersink 3 flute | 5 |
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| All Size | TX | Countersink Cutters | 7/8 x 1/2 | 7/8 x 1/2 90 degree countersink single flute | 1 |
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| All Size | TX | Countersink Cutters | 1 x 1/2 | 1 x 1/2 82 degree countersink 6 flute | 1 |
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| All Size | TX | Countersink Cutters | 1 x 1/2 | 1 x 1/2 90 degree countersink single flute keo | 10 |
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| All Size | TX | Countersink Cutters | 3/8 x 1/4 | 3/8 x 1/4 82 degree countersink single flute keo | 10 |
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| All Size | TX | Countersink Cutters | 1 1/4 x 1/2 | 1 1/4 x 1/2 countersink single flute 90 degree | 3 |
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| Wurth | IN | Countersink Cutters | .1910 | .1910 pilot 100deg 1/2 countersink | 36 |
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| Wurth | IN | Countersink Cutters | .2500 | .2500 pilot 100deg 1/2 countersink | 30 |
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| Wurth | IN | Countersink Cutters | .1280 | .1280 pilot 100deg 3/8 countersink | 90 |
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| Wurth | IN | Countersink Cutters | #0 | #0 60 deg rh cobalt countersink drill 12 per pack | 38 |
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| Wurth | IN | Countersink Cutters | dbit-countersink-90-3/4x2 3/8 oal-3/8 shnk | 16 |
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| Wurth | IN | Countersink Cutters | .0980 | .0980 pilot 100deg 3/8 countersink | 39 |
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| Wurth | IN | Countersink Cutters | 5/8 x 3/8 | 5/8 x 3/8 single flute countersink | 9 |
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| Wurth | IN | Countersink Cutters | Steel | countersinks 3/8 dia number of flutes 4 included angle 82 countersink material high speed steel countersink application countersinking | 20 |
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| Wurth | IN | Countersink Cutters | Steel | Black Oxide | 1 3/8 x 2 x 1/4 | 1ea 3/8 x 2 l x 1/4 shank x 82 single flute black finish countersink | 14 |
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| Wurth | IN | Countersink Cutters | 1 3/8 x 1/4 | 1 ea 3/8 x 1/4 hss 82deg 3fl countersink std pack1 | 50 |
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