Home Forums Tech Talk Cross drilled hardware?

This topic contains 2 replies, has 3 voices, and was last updated by  Walt Gifford 2 years, 1 month ago.

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    Richard Gordon

    Where can I buy 4 millimeter flat head screws that are cross drilled for safety wire or set up for a clip in different lengths?  Need screws for OTK steering wheel with 6 bolts and the ones that came with it are too short to use a angle wedge with Mychron mount.


    brian downing

    Grainger: http://www.grainger.com/
    McMaster-Carr: http://www.mcmaster.com/
    Fastenal: https://www.fastenal.com/

    And a 1/16” high speed steel drill bit (buy a dozen)

    Make sure you have speed set correctly (apx 4,000 rpm)
    Use some cheap 30 weight motor oil as cutting lube
    Use a drill press if at all possible

    If you want to cut the threaded end, you can make your own jig from a nut.
    Use an old nylock, it helps prevent the bolt from rotating as the cut starts

    Buy extras and practice, it’s a useful skill and will come in handy.
    Buying pre-drilled metric is expensive and can be difficult to find.
    Most pre-drilled are for the aircraft industry with very little metric to choose from.


    Walt Gifford

    Drilling a Bolt


    FAA certified jet engine and aircraft technician,
    Nicholson Speedway class champion 2001,
    Yamaha KT100 Service Center,
    41 years karting experience

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