Since its formation in 1929, HOLO-KROME has been at the forefront of fastener development and innovation. All HOLO-KROME products are made in the USA and used in a wide variety of market application which demand high-quality, high-strength precision components.

HOLO-KROME socket head cap screws contribute in important ways in carrying out modern design techniques which call for smooth contours and surfaces, elimination of clumsy, bulky parts and use of lighter constructions as they apply to flanges, lugs, pockets, and cover plates.

Unlike fasteners of unknown origin, HOLO-KROME's fasteners come with over 90 years of specialized engineering support; manufactured, tested, and certified at our manufacturing facility in Wallingford, Connecticut. View our product line here.

Learn about the products, technical resources, program parts, and product standards practiced at Holo-Krome.

In addition to the standard product line of cap screws, socket shoulder bolts, dowel pins, socket jam screws, and socket pipe plugs, HOLO-KROME also manufactures semi-standards, special fasteners and cold-headed parts.

Hardly an industry can be named that doesn't need HOLO-KROME products: in the tools and machines that make and process the great variety of commodities used in everyday living; in the broad fields of communication, transportation, agriculture, mining, and construction.

the forefront of fastener development and innovation. In 1930, Holo-Krome invented and later patented the first practical cold heading process for mass prod cing high tensile strength alloy steel socket screws. As you browse through our catalog, you will see Holo-Krome manufactures and stocks a full

Quality is frequently defined as conformance to specification, and at HOLO-KROME a great deal of effort is expended in ensuring that the products shipped do, in fact, meet the required specification.

Distributors and end users have the ability to obtain the full Holo-Krome product line through one of our two locations in North America and Europe.

Holo-Krome has published this handbook as a guide to dimensional, mechanical, and application data for Holo-Krome Socket Screw Products. However, the following limitations must be carefully observed in using the information presented in this handbook: