hardware screws
chicago latrobe 49234 screw machine drill bitblk oxideb
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 b decimal equivalent 0.2380 flute length in . 1 3 8 overall length in . 2 1 2 shank dia . in . 0.2380 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 0.2380 li li finish black oxide li li flute length in . 1 3 8 li li item screw machine drill bit li li material high speed steel li li number of pieces 1 li li overall length in . 2 1 2 li li package quantity 1 li li shank dia . in . 0.2380 li li type standard li li grade heavy duty li li letter size b li li point type split point li li meets exceeds national aerospace standards nas 907 type c li li drill point deg . 135 li li list number 159 li ul