slot holes: Difference between slot , HOle & groove. E40-4080- 40mm x 80mm T-SLOT ALUMINUM EXTRUSION - parco-inc.com. Stamps Covers Seals Ephemera | eBay Stores.
When I use the gerber format it has one hole,
a slot, not series of drilled holes. Maybe the manufacturer’s CAD->CAM conversion programs make it a series of holes, but I think it’s their problem.
Aluminium Black T Shaped 5 Holes Joining Plates for 2020 V-
Slot T-Slot Aluminum Extrusion 60x60x4mm. Suitable For Most 2020 Extrusion Systems. 1 x T Shape 5 Hole Joining Plate.
Nickels (No Dates) (GX51B) Nickels
25 slot(s). White. This holder has 25 holes without dates with a snap style. The size is 6.5x6.5.