Sockets

Sockets and socket products are general terms used to describe fasteners that have an internal recess drive. The most common type of internal drive recess is the hex socket (commonly called an Allen Screw). A second style of internal recess drive is the Torx® socket (also called a six-lobe socket). Torx® and Torx Plus® sockets provides a higher resistance to rounding out than a hex socket. This permits higher torques to be applied to the fastener than can be achieved with a hex key. The advantage of socket drive products over other drives is the higher torque that can be applied to the fastener. ASME B18.3


Socket Cap Screws

Socket Cap Screws

Socket head cap screws or capscrews, also known as allen screws or allen bolts, are available in three main head styles: socket hex head, socket button head and socket flat head. Hex socket head cap screws have a flat chamfered top surface with smooth or knurled sylindrical sides and a flat bearing surface. Button socket head cap screws have a low rounded top surface with a large flat bearing surface. Flat countersunk socket head cap screws have a flat top suface and a conical bearing surface with included angle of 82 degrees. Socket head cap screws are available in alloy steel and stainless steel in both inch and metric sizes.
Socket Set Screws

Socket Set Screws

Socket Set Screws are designed to lock collars, sprockets, gears and pulleys to shafts. Set screws are designed to be loaded in compression. The compression loading developed by the set screw creates the locking action. Set screws are available with diffferent point configurations including cup point, flat point, oval point, cone point, dog point and half dog point. Socket set screws conform to the dimension requirements of ASME B18.3 and the physical property requirements of ASTM F912 for alloy steel parts and ASTM F880 for stainless steel parts.
Socket Shoulder Screws

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. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
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