UN-B38 Series Shell Stitch Overlock Sewing Machine

Based on different thread, fabric and needle gauge, a variety of shell stitch can be made.
Move the needle adjustment lever to adjust the number of needles.
After removing the decorative thread, can get two different stitch patterns on both sides.

Model	UN-B38	UN-B27	UN-B17
Stitch Width	10-12mm	7-9mm	6mm
Needle gauge	10-20mm	10-15mm	7-12mm
Sewable thickness	7mm	4mm	2.8mm
Speed	1200rpm
Stitch example
Regular stitch	1,4,8 needle	1,4,8 needle	3,6 needle(optional:1,2 needle after add the cam)
Packing size	372640cm=0.038CBM
GW/NW	20/18KGS

	UN-B38 UN-B27 UN-B17 Details
	UN-B38 UN-B27 UN-B17 Mechanical operation manual & parts book

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