9/32" Thunderbolt® Black Oxide Drill Bit

Milwaukee 48-89-2724 — Product Description

Milwaukee 48-89-2724 Thunderbolt 9/32" Black Oxide Drill Bit

The Milwaukee 48-89-2724 is a 9/32" Thunderbolt® black oxide jobber-length drill bit designed for general-purpose drilling in metal, wood, and plastic.

Key Features

• Black oxide coating – reduces friction and adds corrosion resistance for longer bit life
• 135° split point tip – starts on contact and helps prevent walking for accurate holes
• Thunderbolt web design – thicker core for increased strength and resistance to breakage
• Parabolic flute design – clears chips quickly to reduce heat buildup and improve drilling speed
• 3-flat secure-grip shank – helps prevent slipping in the drill chuck

Specs

• Size: 9/32 in
• Material: High-speed steel (HSS)
• Length: Jobber length (~4-1/4")
• Use: Metal, wood, PVC, plastics

Best Uses

• Medium-size bolt and anchor holes
• General construction and fabrication drilling
• Sheet metal and light steel work
• Wood framing and assembly tasks

Bottom Line

This is a standard “workhorse” drill bit size in Milwaukee’s Thunderbolt line—meant for everyday drilling tasks, not heavy-duty cobalt applications or specialty cutting.