18-8 / 304 Grade Stainless Steel Hanger Bolts Assemblies. SOLD BY THE PIECE. Hanger Bolt Assembly Made From 304 / 18-8 Stainless Steel Solar Panel Installation Glazing, Curtain Walls and Window Walls Marine Construction and Structures. Automotive Applications. Robotics and Automation. Water Treatment Plants. Wind Energy. Manufacturing. 1: 3/8 X 7/8" Bonded Sealing Washer. 1: 3/8 X 1-1/2" Fender Washer. 1: 3/8 Flat Washer. 3: 3/8-16 Hex Nuts. Contact Our Sales Department For Bulk Pricing and OTHER SIZES.