arkie
Member
CSUSA has discontinued carrying this cutter. Looking for an alternate source or a used one in good shape.
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Wanted - Thimble Cutter - Craft Supplies USA
- Thread starter arkie
- Start date
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dogcatcher
Member
I modified a spade bit to the inside dimension of a thimble. Some things not mentioned in the below links, I also cut off the shanks, to make a bit that is about 3 inches long, less flex, less chatter. Another is the end is slightly rounded like a spoon bit. Last, I drill an 1/8" hole to the depth I want to drill, this hole acts as a guide for the spoon bit, it also lets you know when you have reached your depth.
Scroll down on this one to see a modified spade bit
https://pipesmagazine.com/forums/threads/pipe-making-drill-bits.6114/
These 2 videos show methods to modify spade bits, watch them in high speed to get ideas, then regular to refine your "answer: to making a thimble bit.
Scroll down on this one to see a modified spade bit
https://pipesmagazine.com/forums/threads/pipe-making-drill-bits.6114/
These 2 videos show methods to modify spade bits, watch them in high speed to get ideas, then regular to refine your "answer: to making a thimble bit.
arkie
Member
Thank you. This is now my backup plan if I can't find the CSUSA tool.
arkie
Member
Thanks guys! I got lucky and found one.