600 pcs) 1/4"-20 X 1-1/2" Thumb Screws, Regular, Type"A", With Shoulder, AISI 304 Stainless Steel (18-8), Ships FREE in USA by Aspen Fasteners: Amazon.com: Industrial & Scientific
Elefloom Linear Shower Drain, Matte Black Shower Drain 24 inch with Grate Panel, Brushed AISI 304 Stainless Steel Black Linear Shower Drain with Hair Strainer and Leveling Feet - - Amazon.com
200 pcs) #6-40, Acorn Cap Dome Nuts, Closed End, AISI 304 Stainless Steel (18-8): Amazon.com: Industrial & Scientific