The S. Parker 92160SSKD single cylinder deadbolt provides security for residential and light commercial door applications, allowing key operation from the exterior and a thumb turn from the interior. This deadbolt meets ANSI/BHMA A156.5 Grade 3 standards for security and durability. It features an SC1 keyway, commonly a 5-pin cylinder compatible with Schlage C type keys. The deadbolt is designed with an adjustable backset, accommodating door preparations of either 2-3/8 inches or 2-3/4 inches. It fits doors with a thickness ranging from 1-3/8 inches to 1-3/4 inches. The 1-inch throw deadbolt is constructed from solid brass or steel and includes a hardened, free-spinning steel pin insert for enhanced resistance against forced entry. The product is presented in a stainless steel finish.