Screw Machine Drill Bit: #57 Drill Bit Size, 1/2 in Flute Lg, 1/32 in Shank Dia.
$1.88 Generated In Scholarship
Description
CHICAGO-LATROBE MODEL 50912, These drill bits have a straw/bronze finish that improves their wear resistance. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece.