Choose from 4-40, 6-32, 8-32, 10-24, and 10-32 Socket Head Cap Screws in Black Alloy. Stronger than Stainless, but succeptible to rust in moisture conditions. All Items Here are all the products in this category: • 4-40 Alloy Socket Head Cap Screws • 6-32 Alloy Socket Head Cap Screws • 8-32 Alloy Socket Head Cap Screws • 10-32 Alloy Socket Head Cap Screws