International Sewing Machine Collectors' Society

Fostering the collecting of, and research into, sewing machines.

Singer Model 7-31 Sewing Machine

Singer Model 7-31 Sewing Machine
Singer Model 7-31 Sewing Machine

Alternating pressers, one needle. 4" high point long beak shuttle; drop feed on one or both sides of needle. Stitch length 1/8" - 1/2"; Presser foot clearance 9/16". Speed 550 spm With SDA. For heavy work in canvas; sail work; wagon covers etc.

Model 7-31
Dates —
Usage Industrial
Description Alternating pressers, one needle. 4" high point long beak shuttle; drop feed on one or both sides of needle. Stitch length 1/8" - 1/2"; Presser foot clearance 9/16". Speed 550 spm With SDA. For heavy work in canvas; sail work; wagon covers etc.
Needle 7x1 (fabrics), 7x2 (leather)
Source Singer model list classes 1-99

Return to Singer model list classes 1-99


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