The primary market will see one mainboard and two SME IPOs worth a combined ₹717.34 crore hit Dalal Street in the week starting July 6. Engineered fabrics and aerospace solutions maker Kusumgar will open its ₹650-crore IPO from July 8 to July 10. Meanwhile, Devson Catalyst's ₹42.34-crore issue and Happy Steels' ₹25-crore IPO will open for subscription on July 9.