|These industrial needles have shanks that are completely round (home needles have one flat side). These are very high quality needles, i.e., without burrs which can cause the spearing of thread.
"Serv7" Needles — Optimized scarf shape for thick layers of material. Blades reinforced by up to 20%. Helps avoid skipped stitches, reduces needle breakage. In general needle size can be one less than normal. A good needle to use with Tenara thread. Sew heavy fabrics, jeans. 10 Needles per Pack.
Needle sizes are listed two ways, e.g., a #14 needle is also an 90 needle. See the table below to determine which thread and needle to use.
These Schmetz needles fit the following sewing machines: Adler 67
Phaff 138, 238
Phaff 545 (6-01 CLMN & H2)
Sailrite SR200 Long Arm