Hand Scraper
A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, needs to retain oil (usually on a freshly ground surface), or to give a decorative finish. Surface plates were traditionally made by scraping. Three raw (plates that have been `seasoned` or residual stress relieved and received suitable surface treatments, but unfinished) cast surface plates, a flat scraper (as pictured at the top of the image) and a quantity of bearing blue (or red lead) were all that was required in the way of tools. The scraper in the center of the image is a three corner scraper and is typically used to deburr holes or the internal surface of bush type bearings. Bushes are typically made from bronze or a white metal. The scraper pictured at the bottom is a curved scraper. It has a slight curve in its profile and is also suitable for bush bearings, typically the longe ...
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