- Joined
- Dec 17, 2012
- Messages
- 745
I stumbled upon this auction for «Inverted aircraft back spot facers»:
http://www.ebay.com/itm/231249282410
Please, can someone explain me what they are and how they work? They look to me as a sort of countersink.
http://www.ebay.com/itm/231249282410
Please, can someone explain me what they are and how they work? They look to me as a sort of countersink.