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Thread: Help...what is this?

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    IronPig's Avatar
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    Help...what is this?

    Can anybody tell me what this is? It's about 2 5/8" long and has the numbers 8-9 stamped on it? Any and all help is most appreciated.
    Thanks,
    IronPig
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  2. #2

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    It is a wooddrill with integrated countersink

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    IronPig (Jun 5, 2020)

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    Supporting Member mklotz's Avatar
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    mklotz's Tools
    It drills properly sized holes for wood screws. The smaller diameter at the tip forms a hole for the screw threads, the larger diameter forms a hole for the screw body, and the flare at the top forms the countersink. I've never encountered a #9 screw so I suspect that it's for sizes 6 and 8.

    I have a complete set of this flat style drill bought at Sears years ago. They still work but have been superseded by more modern versions that use a real twist drill and an adjustable collar that allows one tool to work with any length screw.



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    Regards, Marv

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    IronPig (Jun 5, 2020)

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