Welcome to Apex Fasteners!

APEX FASTENERS - providing stock fasteners and custom manufactured specials to manufacturers and distributors worldwide for more than 20 years.
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Our extensive inventory and manufacturing capabilities provide a focused source for your fastener applications. Our customer service team listens to your needs and budgetary requirements - ask our experts.

Spotlight on Standoffs


Standoffs A Standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. Standoffs can be round, hexagonal or square in shape. They can have exterior knurling as well as swage characteristics. Female-Female or Double Female Standoffs can be fully threaded or partially threaded on each end. Male-Female Standoffs are also available. Standoffs are available in a variety of materials including aluminum, brass, plastic, steel and stainless steel.

Female-Female Standoffs

A Female-Female Standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. Female-Female Standoffs can be round, hexagonal or square in shape. They can have exterior knurling as well as swage characteristics. Female-Female or Double Female Standoffs can be fully threaded or partially threaded on each end. F-F Standoffs are available in a variety of materials including aluminum, brass, plastic, steel and stainless steel. Unthreaded female standoffs can be found in our Spacers section.

Male-Female Standoffs

A Male-Female Standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. Male-Female Standoffs can be round or hexagonal in shape. They can have exterior knurling as well as swage characteristics. Male-Female Standoffs have internal threads on one end and male threads on the other. M-F Standoffs are available in a variety of materials including aluminum, brass, plastic, steel and stainless steel.

Male-Male Standoffs

A Male-Male Standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. Male-Male or Double Male Standoffs have a hexagonal center section and are characterized by external threading on both ends. M-M Standoffs are available in a variety of materials including aluminum, brass, plastic, steel and stainless steel.


Our extensive inventory and manufacturing capabilities provide a focused source for your fastener applications. Our customer service team listens to your needs and budgetary requirements - ask our experts.

Spotlight on Sex Bolts


Sex Bolts

Sex Bolts are fasteners (nuts) that have a barrel-shaped flange and protruding boss that is internally threaded. The boss sits within the components being fastened, the flange provides the bearing surface. The Sex Bolt and accompanying Machine Screw sit flush on either side of the surfaces being fastened. It is normally chosen because of its low profile compared to other nuts. The Sex Bolt often has a built-in feature, such as a slot, to aid in tightening the fastener. Some Sex Bolts, more commonly known as 'Architectural Bolts', have knurled barrels to allow one-sided assembly. 'Binding Posts' are similar to architectural bolts in that they are designed to be assembled from one side, but they have teeth on the flanged surface to keep them fixed.

A Sex Bolt is a mating fastener combining a nut with a screw. The Sex Bolt consists of a female threaded barrel and a male threaded screw. Both the barrel and screw have heads designed to clamp (bind) material between the head of the barrel and the head of the screw, or to bridge the gap between two parts.

Sex Bolts are known by many different names: Mating Fasteners, Binder Posts, Chicago Screws, Interscrews, Barrel Bolts, Barrel Nuts, Partition Screws, Door Closure Bolts, Furniture Screws, Panel Fasteners, Architectural Sex Bolts, Arch Series Screws, Hinge Screws, Display Fasteners, Screw Nuts, Connector Bolts, Threaded Rivets, Grommet Nuts, Post and Screw Sets, Book Screws, and Stationary Screws. Applications vary widely from book binding to installing bathroom partitions. This group of fasteners are used to assemble fitness apparatus, solar panels, playground equipment, railing systems, furniture, athletic helmets, knives, store fixtures, signs, panic bars, and many other products.

Here are some of our popular types of Sex Bolts...




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.
Tel: (626) 962-2219 - info@apexfasteners.com
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