DIYbanter - View Single Post - Sigh....propelling pencil for marking up? Which size lead?

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On 06/04/2018 20:25, wrote:
On 06/04/2018 16:45, David wrote:
Just tried to sharpen a builder's pencil and the two wood halves came
apart.

Pencil sharpener for normal pencils is blunt.

I am now considering a propelling pencil with a thick lead for use in
marking up work.

Anyone else doing this?

If so, which lead thickness?

Cheers

Dave R

I think mine are 0.5mm (and about HB - they're mostly hotel freebies),
but it depends on the surface and the accuracy you want. For marking on
planed hardwood or plaster then 0.5mm seems OK, for sawn timber you
probably want something a little bigger, and maybe softer. If you go
larger than 1mm then either accuracy will be a little, errr, inaccurate
or you'll need to sharpen.
I lied, mine are 0.7mm.