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Router bit for 60mm plunge cut... ¼ inch collet

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  • 03-06-2018 7:43am
    #1
    jmBuildExt
    Registered Users Posts: 692 ✭✭✭


    Hi
    Does such thing exist? I've seen half inch ones are common enough. I've seen 1/4 inch on eBay but I need it asap and also wondering if the force on the end of a cheap one might make it snap off... Law of the lever and all that.
    My router is a cheapo b &q jobby that has served me well til now (use it for various DIY projects). It only has quarter inch collet. I want to cut the hole for mortise lock. It requires 60mm depth. lock is the mechanism only, so about 30 or 40 mm in height.
    I've used a regular straight cut bit to get me half way down, but don't fancy the prospect of chiseling out the rest. I've 5 to do.


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    #2
    dathi
    Registered Users Posts: 1,407 ✭✭✭dathi


    use an auger bit to drill out most of the waste from the mortice and then use the chisel to finish the mortice square


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    #3
    Bonzo Delaney
    Registered Users Posts: 1,577 ✭✭✭Bonzo Delaney


    Same as above a decent auger bit
    Even a sharp spade bit would do then a sharp chisel to clean the edges .
    Put a ring of tape at the required depth on the neck of the bit or a ring with a marker to indicate the required depth to leave a nice clean hole .
    The router is handy but a 60mm 1/4 inch bit just sounds like trouble for mortice locks esp at full depth


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    #4
    jmBuildExt
    Registered Users Posts: 692 ✭✭✭jmBuildExt


    Ok cheers for the info lads. Makes sense. Actually didn't know what an auger bit was (til I googled it) although I'd come across them in the past not knowing what it was called.
    Did one of them today with a spayed bit that I had knocking about and chisel. Took me about 2 hours :(... Might be time to get a router upgrade :)


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    #5
    dathi
    Registered Users Posts: 1,407 ✭✭✭dathi


    https://www.youtube.com/watch?v=s05jmR_aWYQ
    one of these then


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    #6
    jmBuildExt
    Registered Users Posts: 692 ✭✭✭jmBuildExt


    Picked up an Auger bit - gave it a quick test drive last night - it ate through it!!! Thanks for the tip.
    Still a pain chiselling out after it - but sure what can you do, i wouldnt justify the use of the new router, never mind the jig.

    I'll persevere with it I've only 3 left - ill get to them next weekend.

    Thanks again!


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    #7
    Bonzo Delaney
    Registered Users Posts: 1,577 ✭✭✭Bonzo Delaney


    jmBuildExt wrote: »
    Picked up an Auger bit - gave it a quick test drive last night - it ate through it!!! Thanks for the tip.
    Still a pain chiselling out after it - but sure what can you do, i wouldnt justify the use of the new router, never mind the jig.

    I'll persevere with it I've only 3 left - ill get to them next weekend.

    Thanks again!

    Make sure the chissels are sharp makes a big difference
    Let the auger bit do most of the work make sure each drill hole overlaps so there's very little wood left in the mortice just a bit of cleaning up on the sides.


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    #8
    jmBuildExt
    Registered Users Posts: 692 ✭✭✭jmBuildExt


    Bonzo Delaney wrote: »
    Make sure the chissels are sharp makes a big difference
    Let the auger bit do most of the work make sure each drill hole overlaps so there's very little wood left in the mortice just a bit of cleaning up on the sides.

    Got there in the end. All done.
    Chisel was brand new and plenty sharp. It was more an issue with the operator. Was a pain putting the lock unit in taking out chiseling a bit more etc etc... Got better at it as i went.
    But i learned abit more and added a new tool to my box - thanks for your time.


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