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Switchblade Selfeed Bit

Milwaukee’s new SwitchBlade Selfeed bits promise to give you up to two times the life of other large self-feed bits, thanks to their replaceable blade system. You can quickly replace the blade — after it dulls or becomes damaged — and keep on boring.

Milwaukee precision-grinds the investment-cast, high-alloy steel blades to give them a sharp cutting edge. The new aggressively pitched screw-feed design also cuts up to 12% faster. The bits feature a 7/16″ quick-change shank that’s compatible with their Quik-Lok extensions.

Right now Milwaukee only lists five sizes of SwitchBlade bits on its website: 1-3/8″, 1-1/2″, 2″, 2-1/8″, and 2-9/16″. They’ll also sell replacement blades, replacement feed screws, and a plumber’s kit that includes four of the five bits and a 5-1/2″ extension.

Milwaukee promises their SwitchBlade Selfeed bits will be available this month.

SwitchBlade Announcement [Milwaukee]
SwitchBlade Selfeed Bits [Milwaukee]


6 Responses to Preview: Milwaukee’s SwitchBlade Selfeed Bits

  1. fred says:

    Very interesting news. We use selfeeds more than any other type of bit and probably drill hundreds of holes per day. We will have to try these out to see how convenient they are and if they offer a cost competitive edge.
    One problem that I can see is that if the bit gets separated from a misplaced replacement blade – then there will be no economy – but actually the reverse will be true.

  2. Vody says:

    This may sound really niave/stupid, but what are self-feed bits? I’ve been asking friends and trying to look them up on the web, but friends don’t know and the web only seems to know where they are sold.

    Thanks in advance.

  3. fred says:

    RE Vody Says:

    A selfeed bit has a tapered “lead” screw at its center – very much like an auger bit. When you start drilling the lead screw pulls the bit into the wood and then the cutting teeth engage to cut the actual hole. The advantage is that unlike Hole-saws or Forstner Bits thare is much less (if any) feed pressure required.

  4. Vody says:

    Great! Thanks!

  5. Shopmonger (aka Donny B) says:

    These look neat

    CHUCK, SEAN can we get a hands on with these?

  6. ceasar says:

    can you use the switchblade replacement blades on the old milwaukee bits or do you have to but the new self feeding bit that comes with it i would hate to buy a new bit if i can just use the replacements on my old milwaukee self feed bits

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