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The needle of system 29-LSS has a large round point for button sewing for working buttons. It is specifically designed for industrial button-sewing machines. Suitable machine classes are found, among others, at Lewis (classes 200-28, 200-6), Singer (classes 175, 175 - 31 TO 39, 175 - 45 TO 46) and Union Special (classes 200 -6 bis -10, -21, -22, 200 -6 TO -10, -21, -22). At strength NM:80/SIZE:12, this version is especially well suited to smaller buttons on light to medium-weight fabrics. A sewing thread in the range Nm 80/2 to Nm 50/2 is usually suitable; a heavy-duty button thread, e.g. Amann Serafil 20 is recommended. The large, sturdy point reliably pierces both the fabric and the button holes.Package contents: pack BR10 with 10 needles
CANU is the abbreviation for "Catalog Number" and represents the system developed by the German needle manufacturer SCHMETZ and used worldwide today for the summary and identification of the same sewing machine needles, which have various designations specific to the sewing machine manufacturer (needle systems).
Needles with a normal chrome coating can be recognized by their shiny silver surface. The chrome coating provides protection against wear and corrosion. The surface is smooth and protects the material and the thread. Chrome needles can be used for all standard applications. Compared to nickel-plated needles, chrome-plated needles improve the service life of the needle at higher stitch counts. At Groz-Beckert, the equivalent chrome coating is being gradually replaced by their more environmentally friendly "dur" process.
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