Lennox Y9612 – Bosch BL2139IM 3/16" Impact Tough Black Oxide Drill Bit

 

High-performance 3/16-inch drilling bit designed for HVAC technicians, metal fabrication, construction, and general professional use. The Bosch BL2139IM Impact Tough bit offers increased durability and longer life under heavy-duty impact driving, making it an ideal replacement part under Lennox Y9612.

Engineered with precision-ground black oxide coating, this bit delivers faster drilling, reduced friction, and reliable performance in metal, plastic, and wood applications commonly found across HVAC installations and service jobs.

 

Key Features

 

• Lennox Y9612 equivalent – Bosch BL2139IM 3/16" drill bit
• Impact Tough design that withstands high-torque impact drivers
• Black oxide coating to resist wear and extend tool life
• Precision-ground tip for fast, accurate drilling
• Ideal for metal, wood, and plastic
• Built for daily use by HVAC and construction professionals

 

Technical Specifications

 

• Drill Bit Size: 3/16 inch
• Type: Impact Tough black oxide bit
• Material: High-speed steel
• Coating: Black oxide
• Application: Metal, plastic, wood
• Shank Type: 1/4-inch hex shank
• Compatibility: Standard drills and impact drivers