• Use #306 (Union Special) or #14 (Singer) needle, or equivalent.
• Use a flat tipped needle that cuts slit-like perforations. “Rock Point” (Union Special)
or “NarrowWedge” (Singer) will permit top speed operation with the same thread
used for round-point needles.
The informal industry standard of 25/4 tex (24/4cc) glace thread of short staple cotton
in #14 and #036 needles have given satisfactory performance in outdoor banners
when coupled with 16.5/3 tex (36/6cc) soft looper thread. If smaller diameter thread is
required, 14.5/4 tex (40/4cc) glace thread of “Sak” quality should provide satisfactory