 MOUNT AIRY, N.C.--BUSINESS WIRE--Insteel Industries Inc. NYSE: IIIN today announced that its board of directors declared a quarterly cash dividend of 0.03 per share on the Companys common stock payable on September 24, 2021 to shareholders of record as of September 10, 2021. About Insteel Insteel is the nations largest manufacturer of steel wire reinforcing products for concrete construction applications. Insteel manufactures and markets prestressed concrete strand and welded wire reinfo 