Step Bit, 1/4" - 3/4" 9 sizes – Electrical Distributor Drilling Tool

The Gardner Bender Step Bit, model SB-205, is designed for efficient hole making in electrical and lighting solutions applications. It enables precise, step-by-step drilling in sheet metals, including 10-gauge mild steel and stainless steel, without requiring a pilot hole. This tool is ideal for electrical distributors, wire and cable installers, and switchgear suppliers needing clean, round holes in junction boxes, switch boxes, metal studs, and lighting fixtures.

Specifications

• Size Range: 1/4" to 3/4" with 9 incremental steps
• Step Thickness: 1/16"
• Number of Sizes: 10
• Shank Size: 3/8"
• Weight: 1 lb (approximate)
• Material: High-speed steel for durability and faster drilling
• Color: Black
• Dimensions: Height 7 in, Width 3.8 in, Length 1 in
• UPC Code: 032076158033
• Manufacturer Part Number: SB-205

Features

• Self-starting, self-centering drill tip eliminates need for pilot holes
• Double flute cutting action ensures clean, round holes with minimal effort
• Exclusive three-lobed shank provides a positive, non-slip grip in drill chucks
• Drills large holes efficiently in confined spaces
• Suitable for use on sheet metals including mild steel and stainless steel
• Applications include electrical junction boxes, switch boxes, metal studs, and lighting fixtures

Downloads and Links

• Gardner Bender Hole Making Catalog (PDF)
• ILSCOSB-205 Product Page