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#8-15 x 1/2" Square Flat Head Grade 18-8 Type A Pt S/S Sheet Metal Screw QTY 500
What I like about Lorenzetti is the compatibility with standard accessories.
#8-15 x 1/2" Square Flat Head Grade 18-8 Type A Pt S/S Sheet Metal Screw QTY 300
Check the edges and you will notice the rounded corners includes rivets for extra grip.