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pen drill bits? .025"-.050"

Hurricane

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Joined
Dec 10, 2006
Messages
78
Location
St Louis
pen drill bits? .025"-.050"

anybody know where i can buy drill bits that small? i think theyre referred to as pen drills, but i cant find anything that small. i need them for working on carburetors . i need them in .003" increments or so. thanks
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rickairmedic

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Joined
May 31, 2005
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4,165
Location
louisville ,Ky
Harbor Freight has them cheap all the time :D also most any hobby shop will have them plus the pin vise to use them in Xacto makes a nice set .

Rick
 

Kevin54

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Joined
Jan 12, 2005
Messages
29,341
Location
Urbana, Ohio
anybody know where i can buy drill bits that small? i think theyre referred to as pen drills, but i cant find anything that small. i need them for working on carburetors . i need them in .003" increments or so. thanks

They are called "wire bits". Almost any place that sells drill bits will carry them. Usually they come in a case from wire size 60-80.

gauge inches mm
80 0.014 0.343
79 0.015 0.368
78 0.016 0.406
77 0.018 0.457
76 0.020 0.508
75 0.021 0.533
74 0.023 0.572
73 0.024 0.610
72 0.025 0.635
71 0.026 0.660
70 0.028 0.711
69 0.029 0.742
68 0.031 0.787
67 0.032 0.813
66 0.033 0.838
65 0.035 0.889
64 0.036 0.914
63 0.037 0.940
62 0.038 0.965
61 0.039 0.991
60 0.040 1.016
 
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