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What Size Drill Bit For Neck Screw Holes?

Discussion in 'Tele-Technical' started by Sprinter, Jan 29, 2007.

  1. Sprinter

    Sprinter TDPRI Member

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    I need to drill holes in my neck for the neck screws. What size drill bit do I need to use. I'm using standard Fender neck screws. Any, and all help will be greatly appreciated.

    Sprinter
     
  2. Jack Wells

    Jack Wells Doctor of Teleocity

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    The Duchossoir Strat book has a blueprint of a Strat neck. The holes are 0.125 in. dia X 0.875 in. deep.

    ............. Strat Heel.jpg
     
  3. Sprinter

    Sprinter TDPRI Member

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    Jwells393, thank you very much for your help.

    Sprinter
     
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  5. Jack Wells

    Jack Wells Doctor of Teleocity

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    In looking at that drawing above, keep in mind that .815 dimension to the first holes is measured from a 22 fret fingerboard overhang. On a 21 fret Telecaster neck the first holes should be 0.625 in from the end of the neck.
     
  6. mbr

    mbr TDPRI Member

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    I just drilled holes for my neck and used 9/64" or even 5/32. Just a little bigger than 1/8". The maple neck is very hard, so a slightly larger bit than the shank of the screw makes the screw thread easier. Also some soap on the threads.
    If you're using brass screws, thread the hole with steel screws first, then put in the brass.
     
  7. mellecaster

    mellecaster Former Member

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    I use 9/64 also....and in addition, do Rob Ds trick of the water thin Superglue..wicked into the threads first (let dry first)..then a little beeswax on the screws.
     
  8. chickenpicker

    chickenpicker Friend of Leo's

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    ...a suitably short one!
     
  9. mbr

    mbr TDPRI Member

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    Right! Wrap a piece of tape around the drill bit at the depth you want the bit to cut, so it looks like a flag. Just as the flag wipes the shavings from the hole, you're deep enough.
     
  10. Sprinter

    Sprinter TDPRI Member

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    Thank you, to everyone for your very helpful answers. Hopefully, this weekend I'll have my tele project up, and going. :grin:

    Sprinter
     
  11. tdowns

    tdowns Friend of Leo's

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    When tapping sheet metal screws into hard wood, any pilot hole that is smaller then the minor diameter of the screw, just begs for trouble. The only thing you are accomplishing with a smaller pilot hole is distressing the wood, resulting is enough torque to damage the screw. You can get by with smaller or no pilots in the soft woods, but I don't even like to do that.

    I've found that most sheet metal screws' minor diameter to major diameter ratio is 0.75. The neck mounting screw for the Tele is a #8 (0.164" dia). So, 0.164" x 0.75 = 0.123". This makes a 0.125" bit a decent choice. 9/64
    would be a good choice too.

    What I'm trying to put forth here is...If you don't have a good dial caliper or digital caliper to measure the minor diameter of the screw, 75% of the major diameter will get you in the ballpark.

    If you don't have the standard screw sizes in your head, just remember the arithmetic progression for screw sizes.

    DIA(mils) = 60 + 13N

    Where N is the screw #.

    i.e for a #10 screw, 60 + 130 =190 mils or 0.190"
     
  12. Buckocaster51

    Buckocaster51 Super Moderator Staff Member

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  13. tdowns

    tdowns Friend of Leo's

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    Well, we just LOVE you to Bucko!!
     
  14. Sprinter

    Sprinter TDPRI Member

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    I installed the neck on my Tele project guitar today. Everything went very well. Thank you, again to everyone for your help. :)

    Sprinter
     
  15. 0le FUZZY

    0le FUZZY Former Member

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