hardware screws
chicago latrobe 49253 screw machine drill bitblk oxidev
screw machine drill bit standard list number 159 number of pieces 1 heavy duty grade high speed steel black oxide finish split point drill point deg . 135 letter size v decimal equivalent 0.3770 flute length in . 1 7 8 overall length in . 3 1 4 shank dia . in . 0.3770 for alloy carbon and tool steel and cast iron meets exceeds national aerospace standards nas 907 type c br b features b ul li application for alloy carbon and tool steel and cast iron li li decimal equivalent 0.3770 li li finish black oxide li li flute length in . 1 7 8 li li item screw machine drill bit li li letter size v li li material high speed steel li li overall length in . 3 1 4 li li point type split point li li type standard li li meets exceeds national aerospace standards nas 907 type c li li drill point deg . 135 li li shank dia . in . 0.3770 li li list number 159 li li package quantity 1 li li grade heavy duty li li number of pieces 1 li ul