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  1. #46
    Join Date
    Apr 2021
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    New Zealand
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    74
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    56

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    I have one of those Bangood bottom and top bearing flush trim bits. It was cheap as chips and I thought if it does not last long I'll just get another. It has turned out to be pretty good and has a ton of use and still gives a reasonable finish. Who'd have thought? I've had one of those Whiteside two bearing spiral flush trim bits for a while but it has not had much use because it is a bit chunky, and vibrates dangerously in my aging Ryobi which has naff bearings. I thought I'd got a dud but tried it in the TRA001 at my Menz Shed and it was fine. It had it's first proper use today when my Bosch 1600CE arrived, and produced an excellent finish on some rimu.

    Other than that, I have a number of bits from Bunnings and Mitre10, and big box of bits from The Toolshed, and so long as they are cleaned now and again, they seem to last forever. I suppose I do freshen the flat edges with a diamond plate now and again.

    When I think about it, that single Whiteside bit cost more than all my other bits put together, and by a significant margin.

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  3. #47
    Join Date
    Feb 2016
    Location
    Canberra
    Posts
    5,124

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    On mobiles, get an Amaysim card - $10 lasts for an entire year if one uses it only for receiving calls.


    On router bits... good read.

    I really like the HUHAO and ARDEN bits Aldav suggested. I've many of these especially in spiral carbide. I used to do a LOT of MDF and these bits last forever. The companies are excellent to deal with too.

    I also have lots of Carbitool, Armana, a few CMT orange and quite a few of the blue Rocklers.

    These have never disappointed me. They've all sharpened well and bearings have been easy to obtain for when they eventually die.


    The only disappointments have been the el-cheapo multipacks sold at places like Bunnings. The disappointment is VAST. There is no worse feeling than a poor finish from a tool that was sold down to a price. This reflects my general view of everything sold there... rock bottom prices for rock bottom quality. I've NEVER had a decent kit in those multipacks. Dreadful investment. Junk, absolute junk.


    Buy 5 or 6 core profiles in the above brands and you'll not be sorry.


    On the DIMAR.... shame their website doesn't tell you where to BUY THEM!!!

  4. #48
    Join Date
    Feb 2019
    Location
    Upper Hutt, New Zealand
    Posts
    215

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    Quote Originally Posted by Trevor Dennis View Post
    I have one of those Bangood bottom and top bearing flush trim bits. It was cheap as chips and I thought if it does not last long I'll just get another.
    Trevor, with me it's a question of safety over lifespan. When I've got a chunk of metal spinning at anything up to 30K rpm I want to feel sure about it not turning into shrapnel.
    Pete

  5. #49
    Join Date
    Nov 2004
    Location
    Redlands area, Brisbane
    Posts
    1,489

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    Quote Originally Posted by woodhutt View Post
    Trevor, with me it's a question of safety over lifespan. When I've got a chunk of metal spinning at anything up to 30K rpm I want to feel sure about it not turning into shrapnel.
    Pete
    How many of these incidents are you aware of?

  6. #50
    Join Date
    Aug 2008
    Location
    Melbourne
    Age
    34
    Posts
    6,127

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    Quote Originally Posted by markharrison View Post
    How many of these incidents are you aware of?
    Had a slot cutter throw itself out of a trimmer once (still can't figure out what caused it), fortunately it was outdoors on a fairly empty job site and no one was in the way of it. I've certainly never heard of a bit spontaneously exploding, maybe if you spun it up to 60k rpm...

  7. #51
    Join Date
    Nov 2004
    Location
    Redlands area, Brisbane
    Posts
    1,489

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    Quote Originally Posted by elanjacobs View Post
    Had a slot cutter throw itself out of a trimmer once (still can't figure out what caused it), fortunately it was outdoors on a fairly empty job site and no one was in the way of it. I've certainly never heard of a bit spontaneously exploding, maybe if you spun it up to 60k rpm...
    Slot cutters are not one piece tools like most router bits. Probably somewhere south of 15k is where these should be run. Most trimmers in the past were not really a good tool for this type of router bit. They were mostly fixed speed, and mostly somewhere in the 20+k.

    I don't know of a router that can even spin at 30k, let alone double that.

    Not saying this cannot happen, I'm just wondering how often this actually, really, and verifiably spontaneously happens in real life without some other factor. For example, hitting a nail or other fastener.

  8. #52
    Join Date
    Aug 2008
    Location
    Melbourne
    Age
    34
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    6,127

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    1/4" trimmers seem to all be 30k, you're not getting more than that in a hand held tool. Never had an issue before or since with a slot cutter in a trimmer

  9. #53
    Join Date
    Feb 2019
    Location
    Upper Hutt, New Zealand
    Posts
    215

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    Quote Originally Posted by markharrison View Post

    I don't know of a router that can even spin at 30k, let alone double that.
    Apologies for typo. I meant to type 20K. My Triton is rated to 21K.
    Pete

  10. #54
    Join Date
    Nov 2004
    Location
    Millmerran,QLD
    Age
    73
    Posts
    11,099

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    Smaller routers, such as trimmers tend to have slightly higher speeds than their bigger brothers. This is because the smaller machines are usually restricted to 1/4" shafts, which in turn "tend" to be smaller diameter bits. This is not completely true as there are notable exceptions (the slotting cutters are a rather, to my mind, bizarre exception) . It is the tip speed of the bit that is important. As the diameter increases the tip speed increases and it is necessary to reduce the machine speed. Otherwise the bit will burn the timber as well as exceeding it's optimum cutting speed.

    Larger routers increasingly today have the variable speed option which permits dialling down the speed as cutter diameter increases. This becomes very necessary over, say, 25mm.

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

  11. #55
    Join Date
    Nov 2007
    Location
    melbourne australia
    Posts
    2,622

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    Quote Originally Posted by markharrison View Post
    How many of these incidents are you aware of?
    35 years of routing and I’ve never had, nor heard of, such an incident.

  12. #56
    Join Date
    Aug 2012
    Location
    Perth West Australia
    Age
    67
    Posts
    14

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    I bought a small CNC router a few years ago to supplement my other woodworking tools, you can use standard router bits on the CNC but mostly the spiral bits are used but they are very expensive for a learner who will eventually break a few bits.

    I tried to find what router bits are made in Australia but have had no luck finding anyone that does I would be interested to know if there are any manufacturers here in Australia as I am happy to support local manufacturing.
    Woodworking stores do not seem to be transparent about where their router bits are made so I can only assume that nearly all router bits are made in China. If the stores are buying them from China and re branding them I thought I would buy them from China myself and maybe get them 20% cheaper than local, I seriously underestimated the savings. I started off buying the very cheap bits but they still cut well 2 years later so I started buying more expensive coated bits etc. which cut fantastic. If I shop online with local companies I do not save anything and have to pay for delivery on top of the price.

  13. #57
    Join Date
    Aug 2008
    Location
    Melbourne
    Age
    34
    Posts
    6,127

  14. #58
    Join Date
    Jul 2011
    Location
    In between houses
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    1,784

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    On the DIMAR.... shame their website doesn't tell you where to BUY THEM!!! [/QUOTE]


    They sell direct to you.
    call Joseph 0417 044 180, he will sort you out-no problem.

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