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Dremel in lathe tool post question

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Bangkok Mick:
I am looking to purchase a Dremel tool post holder for indexing and having looked on E Bay see that the available chucks only go up to 3.3mm shaft diameter however most center drills are 4mm diameter. As this is a common application how would one usually get over this.

Also is it recommended to fit the flexi cord in a tool post holder as this would be easier to fabricate or would it be better to attach the Dremel drill itself to the tool post.

Cheers Mick

Jasonb:
1/8" centre drills are easily available as are 3mm spotting drills. Bearings in the Dremel are better than the flex so best to hold the main tool, thread on the end is 3/4 x 12 BSF

Bangkok Mick:
Thanks for that Jason

Stilldrillin:
Hi Mick.
I never use a centre drill, except for holes to locate centres into.........

For drill starting, I use a spotting drill. One of these will last for years......

http://www.ebay.co.uk/itm/3mm-HSS-Co8-90-DEGREE-NC-SPOTTING-SPOT-DRILL-EUROPA-OSBORN-8214020300-D25-/271411460020?pt=LH_DefaultDomain_3&hash=item3f316237b4

David D

Bangkok Mick:
Thanks David, I have just orderd on from your link

Cheers Mick

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