When it comes to choosing the right low head socket cap for your project, we understand that you need the perfect size and material. That’s why we at Monster Bolts offer our low head socket caps in both metric and U.S. sizing, as well as in both alloy steel with black oxide and stainless steel A2. You can select which options make the most sense for you! With sizes ranging from #6-32 to #10-32 fine, 4mm to 6mm, and more, you can find the perfect fit. Contact us today with any questions or click a product to get started shopping.