LiebeWH Step Drill Bit 5PCS 4 Spiral Flute Hss Drill Bit Set for Stainless Steel Aluminum Metal Wood Plastic

1. Four Flute Stability:This step drill bit set features a four spiral flute design that outperforms standard double flutes, delivering maximum cutting stability and efficient chip removal for cleaner holes in stainless steel and hardened metals. 2. Wear Build:Each drill bit set piece is constructed from high speed steel HSS with a durable nitriding coating, providing outstanding hardness and long lasting sharpness for repeated metal drilling tasks. 3. Complete Range Storage:This step drill bit includes 5 bits covering diameters from 1/8in to 1-3/8in with 1/4in and 3/8in hex shanks, all organized in a blow molded for portable access on job sites. 4. Clear Etched Markers:Every step drill bit features etched size markings that remain readable after heavy use, eliminating guesswork and ensuring accurate hole sizing for electrical and automotive work. 5. Multi Material Use:This drill bit set works effectively on stainless steel, copper, aluminum, wood, plastic, and carbon steel, making it suitable for home repairs, car maintenance, and general fabrication. Spec: Item Type: Step Drill Bit Set Material: High Speed Steel (HSS) Shank Type: Straight (1/4in and 3/8in hex shank compatibility) Slot Type: Spiral, four flute design Step Length: 3/16in-1/2in (6 steps) 1/8in-1/2in (13 steps) 1/4in-3/4in (9 steps) 3/16in-7/8in (12 steps) 3/16in-1-3/8in (19 steps) How to Use: Direct installation and use packing list: 5 x Drill Bits 1 x Storage Box

• Four Flute Stability:This step drill bit set features a four spiral flute design that outperforms standard double flutes, delivering maximum cutting stability and efficient chip removal for cleaner holes in stainless steel and hardened metals.
• Wear Build:Each drill bit set piece is constructed from high speed steel HSS with a durable nitriding coating, providing outstanding hardness and long lasting sharpness for repeated metal drilling tasks.
• Complete Range Storage:This step drill bit includes 5 bits covering diameters from 1/8in to 1-3/8in with 1/4in and 3/8in hex shanks, all organized in a blow molded for portable access on job sites.
• Clear Etched Markers:Every step drill bit features etched size markings that remain readable after heavy use, eliminating guesswork and ensuring accurate hole sizing for electrical and automotive work.
• Multi Material Use:This drill bit set works effectively on stainless steel, copper, aluminum, wood, plastic, and carbon steel, making it suitable for home repairs, car maintenance, and general fabrication.