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  1. 21st October 2019, 11:07 PM #1
    qwertyu
    qwertyu is offline GOLD MEMBER
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    Default ebay/amazon/aliexpress tungsten forstner bits

    Has anyone tried cheap tungsten forstner bits?

    15mm-60mm Woodworking Forstner Drill Bit Set Boring Hole Saw Cutter Carbide Kits | eBay

    Forstner Drill Bit Tungsten Steel Woodwork Hole Saw Cutter (15-60mm HexShank) B1 | eBay

    ValueHall 16 PCS Carbide Steel Forstner Drill Bits Set 15-35mm Woodworking Boring Bit Hinge Hole Saw Cutter V7036-2: Amazon.com.au: Home Improvement

    I had a look at the timbecon ones in person and they look like really good quality
    https://www.timbecon.com.au/forstner...en-boring-bits

    but a bit more expensive
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  2. 21st October 2019 11:07 PM # ADS
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  3. 22nd October 2019, 06:27 AM #2
    Fumbler
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    Yes, I own a set of the 15mm - 36mm aliexpress puppies. No issues, nice clean cuts.
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  4. 22nd October 2019, 08:43 PM #3
    elanjacobs
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    Never used them, but the nature of how carbide is machined means that there's a certain amount of built-in accuracy.

    With the HSS stuff, you can just shove (more or less) a grinding wheel through it and call it a day, but because carbide is brittle and the diamond wheels used to grind it are kinda fragile, you have to have to be much more careful.
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