Stainless Steel Socket Head Screws - McMaster-Carr These screws won't rust or corrode when exposed to moisture and chemicals Their deep, six-point socket keeps hex keys from slipping out and damaging the drive Length is measured from under the head 18-8 Stainless Steel— The choice for wet and outdoor environments, these screws won't rust
2 1 4-4 1 2 Socket Head Cap Screws | McMaster-Carr Made of alloy steel, these screws are the standard for high-strength fastening Use them in high-load applications such as dies, presses, and heavy equipment The deep, six-point socket keeps the hex key from slipping out and damaging the drive Length is measured from under the head