thread size

[nipper]

can someone tell me the thread size on the front of a dremel,
paul..

 

[almarktool]

Prob a custom of somesort the shaft has a .277 dia x 40 thread pitch

 

[tsp&b]

Two sizes

Newer 3/4 x 12, older 3/4 x 16

 

[nipper]

thanks very much i nearly ordered a BSW tap