-40%
16" Aluminum Alloy Disc 1.5" Hole x 0.25" Thick Sheet Metal
$ 17.31
- Description
- Size Guide
Description
16" Aluminum Alloy DiskOD: 16-3/8" (rough cut)
ID: 1.5" (machined)
Thickness: 0.25"
Weight: 5.6 lbs
Condition:
These are aluminum alloy substrate blanks that were used around 1970-1980 for making magnetic recording disks. The surfaces have some superficial scratches and have a pattern consistent with the use of a vibrating sanding process in preparation for plating. Otherwise the surface is very flat.
Buyer receives one disc.