61Needles, Threads
Needle 70 80 90 100 110–120
Darning thread
••
Embroidery thread
•
Mercerised
••
cotton thread
Synthetic thread
••
Thick threads,
synthetic mercerised
••
thread
Buttonhole thread
for decorative
••
seams (cordonnet)
Important facts about sewing computer needles
Sewing computer, needle and thread
Your BERNINA uses needle system 130/705H.
Needle and thread
The most commonly sold needles are nos. 70 –120.
The finer the needle, the lower the number. The table
shows which needle is suitable for which threads.
Needle appropriate
for thread
When sewing, the thread
runs in the long groove on
the needle.
Needle inappropriate
for thread
If the needle is too fine, the
groove will be too narrow for
the thread and faulty stitching
or thread breakage can occur.
Needle and fabric
Condition of needle
The needle must be in perfect
condition. Problems can occur
with damaged needles.
bent needle
blunt needle
hooked needle
