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1/4 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.

21 results, (click on any line for more information)

Buy Countersink Cutters from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
All SizeTXCountersink Cutters1/4 x 1/41/4 x 1/4 82 degree countersink single flute12
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All SizeTXCountersink Cutters1 1/4 x 1/21 1/4 x 1/2 countersink single flute 90 degree3
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ManscoMICountersink CuttersSteelASTM F1941-10 Fe/Zn-Ni1/4-20 x 3/4 slot bolt hardened black gmw420520500
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CenturyNYCountersink CuttersSteelPlainohio nut & bolt hw2114 ohio nut & bolt hw2114 1/4-20 x 7/8 steel plain1909
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ManscoMICountersink CuttersSteelZinc/Clear1/4-20 x 1 special rectangular head bolt triv znc29600
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CenturyNYCountersink CuttersSteelNickel1/4-20x1.375 conn bolt nickel plate stafast# ba142035uhd-ni1500
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NutsBoltsNECountersink Cutters1/4 x 821/4 82 countersink bit3
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Jay-CeeMICountersink CuttersSteelw14020 bolt 1/4-20inquire
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AbabaCACountersink Cutters3-7/64 1/43 (7/64) 1/4 body x 2 oal drill/countersink hss13
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AbabaCACountersink Cutters3-7/64 1/43 (7/64) 1/4 body x 2 o.a.l carbide drill/countersink1
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AbabaCACountersink Cutters1/41/4 three flute countersink 82 deg.3
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AbabaCACountersink Cutters1/41/4 three flute countersink 82 deg.1
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AbabaCACountersink Cutters1/41/4 three flute countersink 100 deg.4
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JacksonMSCountersink Cutters1/41/4 countersink 1 flute 82 degree1
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HBBOLTCACountersink Cutters1/4single-flute countersink [82]9
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HBBOLTCACountersink Cutters1 1/4single-flute countersink [82]1
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GLFOHCountersink Cutters1/41/4 single flute countersink 82-deg 4
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CenturyNYCountersink CuttersSteelan4-30a bolt 1/4-28 x 3.0320
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ManscoMICountersink CuttersSteelZinc/Clear1/4-20 x 2.75 oal handle mounting bolt triv znc23
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ManscoMICountersink CuttersSteelPassivated1/4-20 x 1-5/8 special bolt w/knurled portion 304 s.s. passivated (per print)10160
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ManscoMICountersink CuttersSteelZinc/Clear1/4-20 x 3.25 oal handle mounting bolt triv znc50
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