DORMER Taper Length Drill Bits

A940 and A941 heavy-duty taper length drill bits designed to reduce thrust requirements in old-style wood screws. Feature spiral flutes in the size range 29 - 166 mm

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StyleModelDecimal EquivalentFlute LengthOverall LengthDimension TypeSizeMaterialFinishGradePrice
AA9403/640.046929 mm57 mmFractional Inch0.047"High Speed SteelBrightHeavy Duty€28.45
AA9405.00.196987 mm132 mmMetric-High Speed SteelBrightHeavy Duty€19.61
AA9409.70.3819121 mm184 mmMetric-High Speed SteelBrightHeavy Duty€80.46
AA94010.00.3937121 mm184 mmMetric-High Speed SteelBrightHeavy Duty-
RFQ
AA94010.50.4134121 mm184 mmMetric-High Speed SteelBrightHeavy Duty-
RFQ
AA94027/640.4219117 mm184 mmFractional Inch0.422"High Speed SteelBrightHeavy Duty€117.95
StyleModelDecimal EquivalentFlute LengthOverall LengthSizeMaterialFinishDrill Bit SizeDrill Bit Point AnglePrice
AA94111/640.171986 mm146 mm0.172"High Speed SteelAlCrN--€46.20
AA9413/160.187586 mm146 mm0.188"High Speed SteelAlCrN3/16"130°€50.38
AA9411/21/2"121 mm197 mm1/2"High Speed SteelAlCrN--€209.35
AA9411/41/4"95 mm156 mm1/4"High Speed SteelAlCrN--€64.84