6/7Pcs 4-12mm 4-20mm 4-32mm Step Drill Bit Set Quick Change Bits Set Aluminum Drilling

Label:Yes Material:Bearing steel Type:Drill Bits Color:As shown Size:9.3cm(3.66in),8.2cm(3.23in),60cm(23.62in),etc Package includes:6/7Pcs Drill Bits

User-friendly Design:Practical and multifunctional, our Drill Set is designed for easy carriage. Lightweight and compact, it strikes a balance between utility and convenience.

Versatile and Compatible:This Drill Set is compatible with both electric hand and lithium battery-powered drills. Intended for a variety of needs, it proves indispensable for woodworking, DIY projects, and industrial activities.

Premium Quality:Manufactured from high-speed steel, our metal drill bit set for steel boasts high strength and durability. Featuring a Ti plating surface, it reduces the probability of drill and material bonding.

Multifunctional Usage:Our step drill bit is practical and versatile, an outstanding tool for home decoration or industrial use. With the capacity to drill or expand variegated materials, it's a ideal accessory for your electric drill.