Singer H74 Instruction Manual page 46

BUTTONHOLE SEWING
B-17 B-18
B-19 B-20 B-21
B-23 B-24
B-22
B-25 B-26
6
7
6
6 Buttonholes are sewn from the front of the
presser foot to the back, as shown.
7
7 Cut the center of the buttonhole being
careful not to cut any stitches on either side.
Use a pin as a stopper at the bar tack so
you do not cut too much.