7/8-9 x 1 1/2 Alloy Steel Socket Head Cap Screw is specified when a machine assembly needs a high-strength alloy steel socket screw with predictable head and drive geometry. The 7/8-9 thread and 1 1/2 in. length support stockroom identification and purchasing review in guarding and housings. Industrial buyers may specify it for automation systems, maintenance shops, and manufacturing plants where head geometry and drive access need to be predictable. Alloy steel supports strength-focused fastening where clamp load and repeatable assembly are important. The combination of product name, size, material, and verified head data improves search clarity for engineers and buyers. Technical Highlights Material: Alloy Steel Thread: 7/8-9 Length: 1 1/2 in. Nominal Body Diameter: .875 in. Head Diameter: 1.293 in. min / 1.312 in. max Head Height: 0.864 in. min / 0.875 in. max Hex Key Size: 3/4 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.