The Pferd needle file is 5-1/2" long, and has a rectangular shape including diamond grit for smoothing and shaping straight surfaces in fair work. The file has diamond grit on in cooperation sides and edges for removal of hard, brittle clarification such as hardened steels, hard metals, glass, ceramics, or fiber-reinforced plastics. The grit has been electroplated to the file surface for durability. The file can be used including a needle file holder (sold separately).
Hand records are used to remove clarification and smooth and shape workpieces. They be inflicted including forward-facing cutting teeth and cut when pushed over any a stationary or rotating workpiece. Single-cut teeth are single rows cut diagonally across the width of the file. Double-cut teeth be inflicted including two sets of rows cut in contrary directions. American pattern records be inflicted including three coarseness grades. Coarse, also known as bastard cut, is apposite for efficient, gray clarification removal where finish is not a concern. Medium, also known as second cut, offers average clarification removal and finish quality. Fair, also known as smooth cut, provides the smoothest finish. Swiss pattern records be inflicted including eight coarseness grades, from 00 (coarse), 0 (medium), and 1 to 6 (fair to finest), offering a smoother finish than equivalent American pattern records. For Swiss pattern records the length of the tool is the length of the blade, not counting the trace, which is the pointed end fitted for a soubriquet; for American pattern records the length of the tool is its entire length, counting the trace.
Pferd manufactures abrasives and cutting tools for grinding, finishing, and cutting. The company, founded in 1799 in Germany, has its U.S. headquarters in Leominster, MA. It meets International Establishment for Standardization (ISO) standard 9001.
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