made of high-grade 305 stainless steel (#2 Square)

With the T20 Torx® head drive

1/4-20 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/16-18 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (100)

hinges or shafts

5/8-18 x 1 3/4 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Bulk (250) 9/16-18 Socket Cap Screws Alloy made of high-grade 305 stainless5 8 18 x 1 3 4 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA Bulk (250) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion resistant coating, ideal for high performance and structural applications.