Bernina 710 Owner's Manual download pdf (Page 16)

Important sewing information

Needles, threads

Correct needle/Thread combination

When sewing, the thread should travel smoothly down the long groove on the

front of the needle.

Too thin thread or too thick needle

The thread has too much clearance in the long groove. Skipped stitches and

damage to the thread can occur.

Too thick thread or too fine needle

The thread rubs on the edges of the long groove and can get jammed. This

can cause thread breakage.

130/705 H-S/70

1 130 Shank length

2 705 Flat shank

3 H Needle scarf

4 S Needle point (here e.g. medium ball point)

5 70 Needle size (shank diameter)

Guidelines

Material and thread Needle size

Light weight materials:

Fine thread (darning thread, embroidery thread) 70-75

Medium weight materials:

Sewing thread 80-90

Heavy weight materials:

Sewing thread (quilting thread, topstitching) 100, 110, 120

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Bernina 710 Owner's Manual Page 16