Socket Shoulder Screws

Socket shoulder screws, also known as shoulder bolts, are fasteners with an unthreaded cylindrical section, or shoulder, between threads and screwhead. The shoulder is larger in diameter than the threaded section and provides an axis around which close-fitting moving parts operate. Shoulder screws are available with an undercut shoulder where the diameter of the shoulder can be as small as the minor diameter of the threads. Socket shoulder screws are idnetified by the diameter and the length of the shoulder. Shoulder screws can be produced with head styles other than the typical hex socket head. Socket shoulder screws are also available with tight dimensional tolerances, often referred to as precision shoulder screws. Shoulder screws are available in alloy steel and stainless steel. ASME B18.3

APEX FASTENERS, Inc 15858 Business Center Drive Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Toll-Free Tel: 1-800-642-1333 Tel: (626) 962-2219 Fax: (626) 626-962-7729
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