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Drillforce UNC Screw Machine Thread Tap Drill Bits HSS Straight Spiral Flute 4-40 5-40 6-32 8-32 1/2-13 9/16-12 5/8-11 3/4-10 - AliExpress
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Precise 18 Piece National Coarse Tap & Drill Index Set, Drill Range #36 to 27/64" - 99S - 01-800-100 - Penn Tool Co., Inc
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Irwin Bohrer- und Gewindebohrer-Set, 8-32 NC Gewindebohrer und Bohrerspitze Nr. 29 (80217) : Amazon.de: Baumarkt
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UNJC Minor Ø Recommended Drill Size Ø Pitch (TPI) Min Max Drill Size Decimal (in) #4 40 .0877 .0942 2.30mm .0906 #5 40 .1007 .
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Century Drill & Tool 8-32 National Coarse Carbon Steel Tap-Plug and #29 Wire Gauge Drill Bit - Henery Hardware
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