Finger Stock is stocked with a clean and bright finish, but other finishes are available. For other requirements and specifications of the finishes, consult the factory. How To Order Tech-Etch Part Numbers are unique because they describe the actual part. This makes it easy to order and also to understand the specifications of any strip. The first three digits of the Part Number designate the actual pitch of the finger stock.
Letters then designate the part's style.
As in the example below, track is ordered separately. Its unique characteristics allow it to return to a predetermined shape after undergoing deformation. Its strength is comparable to 304 stainless steel and it is used for human implants. It is used for human implants. Its electrical and chemical resistance properties are excellent even at unusually high temperatures.