Vehicle & Technical > Defender

chequer

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clbarclay:

--- Quote from: "smo" ---Its hardly rocket science, use the correct size drill for the fixings you are using, so if its an M5 bolt use a 5mm drill (or 6 tops) but dont oversize them by loads as itll be sloppy
--- End quote ---



Close but no cigar.


In the example of M5, the 5 refers to the nominal diameter of the bolt, the correct size drill varies, but for a close clearence fit then the desired size is 5.3mm, but as most drill bit sets only do half sizes then 5.5mm will do.

You can use a 5mm drill, but the tolerances will be on the limit, which can result in the operator "wriggling" the drill to make the hole slightly bigger so that the rivit or bolt fits.

timberdog:
hey i got two new quarter chequers fitted ..and now know how to do it thanks all

OOOOOOOOOOOOOHHHHHHHH Noooooo must not cover the Landy in it :shock:

smo:

--- Quote from: "clbarclay" ---
--- Quote from: "smo" ---Its hardly rocket science, use the correct size drill for the fixings you are using, so if its an M5 bolt use a 5mm drill (or 6 tops) but dont oversize them by loads as itll be sloppy
--- End quote ---



Close but no cigar.


In the example of M5, the 5 refers to the nominal diameter of the bolt, the correct size drill varies, but for a close clearence fit then the desired size is 5.3mm, but as most drill bit sets only do half sizes then 5.5mm will do.

You can use a 5mm drill, but the tolerances will be on the limit, which can result in the operator "wriggling" the drill to make the hole slightly bigger so that the rivit or bolt fits.
--- End quote ---


I'll take the cigar thanks - due to the wings/body being ali by the time you have used an M5 drillbit itll be exactly the right size - guarenteed without wiggling!!

Also when bolting it in because its threaded and again in ali you can bolt it through a hole which is slightly smaller without any ill consiquences at all. Interferance fit is fine for this kind of thing, it doesnt need to be a clearance hole and certainly not several mm larger like some suggested!

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