NEIKO 10197A Step Drill Bit Set, 5 Pc Step Bit for Metal, 50 SAE Sizes Total, 1/8” – 1-3/8”, SAE Titanium High Speed Steel Unibit, Stepper Cone Drill Bit, Two Flute Step Down Bits, Step Up Drill Bits
NEIKO 10169A Step Drill Bit Set and Automatic Center Punch | 5 Piece, 41 SAE Sizes Total, 1/8” – 1-3/8” Titanium High Speed Steel Unibit, Stepper Cone Two Flute Down Bits
Tolsen HSS Black & Gold Drill Bits 19pcs - Extra Hard Titanium Coated Drill Bits - High-Speed Steel Black and Gold Finish with 135 Degree Split Point Tip