Greenlee #8 Cobalt HSS Step Drill Bit - 3-Stage Multi-Material Cutting Tool

Greenlee #8 Cobalt HSS Step Drill Bit

Professional Multi-Material Cutting Performance

The Greenlee #8 Cobalt HSS Step Drill Bit delivers exceptional cutting performance across multiple materials with professional-grade cobalt high-speed steel construction. Engineered for maximum durability in stainless steel applications up to 10 gauge, this 3-stage step bit provides versatile cutting capability for mild steel, copper, brass, aluminum, fiberglass, plastic, wood, and laminates in a single tool.

Professional Features & Benefits

• Cobalt HSS Construction: Engineered with cobalt high-speed steel material for maximum tool life and superior performance in demanding stainless steel applications.
• 3-Stage Design: Multiple cutting stages provide progressive hole sizing and smooth material penetration for professional results.
• Multi-Material Capability: Cuts through stainless steel up to 10 gauge plus mild steel, copper, brass, aluminum, fiberglass, plastic, wood, and laminates for versatile job site applications.
• #8 Size Rating: Optimized diameter sizing for common electrical and mechanical installation requirements.
• USA Manufacturing: Made in the United States ensuring consistent quality and reliable performance standards.
• Power Tool Compatible: Designed as a professional power tool accessory for efficient drilling operations.

Technical Specifications

• Country Of Origin: United States
• Number Of Drill Stages: 3
• Product Type: Cobalt Step Bit

Installation & Operation

1. Mount the step bit securely in a compatible power drill or driver with appropriate chuck capacity.
2. Select appropriate drilling speed based on material type and thickness being cut.
3. Position the bit perpendicular to the work surface and begin drilling at the smallest stage.
4. Apply steady, controlled pressure allowing the cobalt HSS cutting edges to work efficiently.
5. Progress through each stage as needed to achieve the desired hole diameter.
6. Clear debris regularly and allow the bit to cool between heavy-duty applications for maximum tool life.

Professional Applications

• Electrical panel and enclosure installations
• HVAC ductwork and equipment mounting
• Plumbing and mechanical system connections
• Metal fabrication and sheet metal work
• Industrial maintenance and repair operations
• Commercial construction projects
• Automotive and equipment service

Why Choose Greenlee Quality?

Greenlee power tool accessories are engineered for professional tradespeople who demand reliable performance and maximum tool life. This cobalt HSS step bit combines USA manufacturing quality with advanced metallurgy to deliver consistent cutting performance across multiple materials, making it an essential addition to any professional toolkit.