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Bar stock, also (colloquially) known as blank, slug or billet, [1] is a common form of raw purified metal, used by industry to manufacture metal parts and products. Bar stock is available in a variety of extrusion shapes and lengths. The most common shapes are round (circular cross-section), rectangular, square and hexagonal.
This is achieved by compressing the whole part and then an upper and lower punch extract the blank. [6] This allows the process to hold very tight tolerances, and perhaps eliminate secondary operations. Materials that can be fine blanked include aluminium, brass, copper, and carbon, alloy, and stainless steels. [citation needed]
Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...
What I Love About You Fill-In-The-Blank Gift Journal. ... Quencher H2.0 FlowState Stainless Steel Tumbler. ... It’s designed with a round neckline and metal buttons that give it a preppier feel ...
The blank is held against the rubber pad by a blank holder, through which a punch is acting as in conventional deep drawing. It is a double-acting apparatus: at first the ram slides down, then the blank holder moves: this feature allows it to perform deep drawings (30-40% transverse dimension) with no wrinkles.
This is a blank planchet error, and is usually worth a few dollars for modern coins. Occasionally, blank planchets can be rare and valuable, such is the case for Morgan Dollar blank planchets, although authentication and appraisal by a coin grading service is highly recommended for such pieces as they would be fairly easy to counterfeit.