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GWS - Threaded Shank Drill Bits; Type: Aircraft Drill; Drill Bit Size ( Letter): ; Drill Bit Size (Decimal Inch): 0.1610; Drill Bit Size (Inch): ; Drill Bit Size (Wire): #20; Drill Point
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Drill Gauges - Metric - Imperial - A-Z Letter - Stainless Steel (Pick Your Preference) - LPR Toolmakers
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Century Drill & Tool 12 mm x 1.50 Metric Tap & Z Letter Drill Bit Combo Pack - Bliffert Lumber and Hardware
![Table AII-5.--Number, Letter and Fractional Identification of Drill Sizes (Letter drills are larger than number drills; they begin where number drills end.) Table AII-5.--Number, Letter and Fractional Identification of Drill Sizes (Letter drills are larger than number drills; they begin where number drills end.)](https://enginemechanics.tpub.com/14345/1434500401im.jpg)
Table AII-5.--Number, Letter and Fractional Identification of Drill Sizes (Letter drills are larger than number drills; they begin where number drills end.)
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