5PC SwitchBlade™ Selfeed Bit Plumber's Kit

Milwaukee 49-22-5100 — SWITCHBLADE™ Selfeed Bit Plumber’s Kit (5-Piece)

The Milwaukee 49-22-5100 is a 5-piece SWITCHBLADE™ selfeed bit kit used for drilling large diameter holes in wood, especially in plumbing and framing work.

What it is

• Type: Selfeed drill bit kit
• System: Milwaukee SWITCHBLADE™ selfeed bits
• Pieces: 5-bit kit with accessories
• Material: Wood (including framing lumber)
• Primary use: Plumbing + construction rough-in drilling

What’s included

Typical kit contents:

• Multiple selfeed bits (common plumbing sizes)
• Replaceable cutting blades (SwitchBlade system)
• Feed screws + set screws
• Quik-Lok® extension (5-1/2")
• Hex key + storage case

Sizes commonly include:

• 1-3/8"
• 1-1/2"
• 2-1/8"
• 2-9/16"

(These are standard plumbing rough-in hole sizes.)

Key Features

• SwitchBlade™ replaceable cutting edges → instead of sharpening, you swap blades
• Aggressive feed screw design → pulls bit through wood faster
• Up to 2× longer life vs standard selfeed bits
• Faster drilling performance (up to ~12% faster)
• Designed for repetitive hole drilling in framing lumber
• Quik-Lok extension included for deeper wall access