7/64" Thunderbolt® Black Oxide Drill Bit (12 PK)

The Milwaukee 48-89-2823 is a 7/64" Thunderbolt® black oxide drill bit set (12-pack) used for general-purpose drilling in metal, wood, and plastic.

This is one of Milwaukee’s standard small-size jobber drill bit sets, designed for precision work and pilot holes, not heavy-duty or large-hole drilling.

Key Features

• 135° split point tip – starts on contact and reduces walking for accurate holes
• Black oxide coating – reduces friction and improves corrosion resistance
• Thicker Thunderbolt web design – improves strength and reduces breakage under load
• Parabolic flute design – clears chips quickly to keep the bit cooler
• 3-flat Secure-Grip shank – helps prevent slipping in the drill chuck

Specs

• Size: 7/64 in
• Quantity: 12 bits per pack
• Material: High-speed steel (HSS)
• Finish: Black oxide
• Length: ~2-5/8 in jobber length
• Use: Metal, wood, PVC, plastics

Best Uses

• Pilot holes for screws and anchors
• Small precision drilling
• Light metal work
• Wood trim and cabinetry
• General shop and maintenance tasks

Bottom Line

The 48-89-2823 is a small, durable everyday drill bit set—meant for precision and pilot holes, not structural drilling or deep-reach work like the aircraft-length or S&D bits in your earlier list.