Check the listing for details. OSG 215-1250 Screw Machine Drill,1/8",Carbide 2PPG4. Condition: New. Listed at 20.73 USD. Screw Machine Drill Bit, Drill Bit Size 1/8 in, Drill Bit Point Angle 135 Degrees , Carbide, Bright (Uncoated), Decimal Equivalent 0.1250, Fractional Inch, Drill Bit Point Type 4 Facet Point, Non-Coolant Through These drill bits come in standard sizes expressed in fractional inches. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece. The bright finish on these drill bits is not affected when the bits' cutting edges are resharpened.Carbide screw-machine length drill bits provide excellent hardness, wear resistance, and heat resistance. They are harder than high-speed steel, cobalt, and powdered-metal drill bits and require a rigid setup such as a drill press. Screw-machine length drill bits are shorter than jobber length and maintenance length drill bits of the same s.