Gauge- width of the shaft (eg. 14g)GaugeMillimeterInches14g (standard)1. 6mm1/16″12g2mm5/64″10g2. 4mm3/32″8g3. 2mm1/8″ 7 more rows
What size thread should I use?
Regular size 50 thread can be used in almost all the needles available. Needles in size 11 and 12 are usually used for general sewing and patchwork piecing with size 40, 50 or 60 weight thread. A size 14 needle is recommended for machine quilting.