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 Adler 167 Artisan 518 Artisan 2220M/B Artisan 2240M/B Consew 272 Juki LH512 Phaff 138, 238 Phaff 145 Phaff 545 (6-01 CLMN & H2) Singer 107 Singer 111-W100 Singer 167 Singer 20U Sailrite SR200 Sailrite SR200 Long Arm |