Drill

  • Model Engineers’ Workshop Drill Size Chart

    Model Engineers’ Workshop Drill Size Chart

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    This useful chart shows imperial and metric equivalents, as well as offering suggested tapping drill sizes for a wide range of threads. Download links: ChartAChartBChartC Many thanks to the ‘Man Who Can Scan’ – Nick Farr – for sending us good quality scans of his copy (we don’t have an electronic version on file). Nick…

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  • FREE PLAN: A Drill Sharpening Jig

    FREE PLAN: A Drill Sharpening Jig

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    Full details of how to construct the jig and advice on its use can be found in issue 17. Download a full-resolution PDF of side 1 here Download a full-resolution PDF of side 2 here Right-click the images below to open JPEGs of individual pages of the plan:

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