Machine Screws come in zinc-plated steel and nylon.

Press Release Summary:

Machine screws, with binding heads, assure firm, electrical connections. Flat-head styles suit applications where fasteners cannot protrude above mating surfaces. Pan-head types replace round-head styles for smooth surface area uses. Self-tapping, washer/hex-head styles are for sheet metal applications where inserts are not furnished. All feature slotted heads in choice of 2-56, 4-40, 6-32, 8-32, and 10-32 threads, with lengths from ¼-1½ in.

Original Press Release:

Expanded Machine Screw Selection

ASTORIA, NY - A new, enlarged group of Zinc plated Steel and Nylon Machine Screws and Nuts suited for a variety of fastening applications are now available from Keystone Electronics Corp.

The expanded group features four different head types consisting of Binding Heads to assure firm, electrical connections; Flat Head styles for use where fasteners cannot protrude above mating surfaces; Pan Head types to replace round head styles and for cosmetic enhancement and smooth surface area uses; and Self-Tapping, Washer/Hex Head styles for sheet metal applications where machine thread inserts are not furnished. All feature slotted heads in a choice of 2-56, 4-40, 6-32, 8-32 and 10-32 threads with lengths from 1/4" to 1 1/2". Mating Hex Nuts are also supplied in Zinc plated steel as well as Nylon.

These latest availabilities are designed to complement a wide range of diverse hardware supplied in bulk through Keystone's global distribution network. Samples may be obtained by contacting the nearest Keystone distributor or directly from the company at

Pricing depends upon size, material and binding head types, and start at 8.00 per thousand, in bulk quantities.

Keystone Electronics Corp. offers a comprehensive line of interconnect hardware and components, as well as stamping, machining and assembly services. For modifications and special designs, Keystone also offers application engineering assistance services. Keystone is ISO 9002 certified with headquarters in the US aLnd offices in France, Canada, Singapore and Australia.

For more information, contact Keystone Electronics Corp.; 31-07 20th Road; Astoria, New York 11105-2017; Tel: (800) 221-5510 or (718) 956-8900; Fax (718) 956-9040 or E-mail:; Web site:

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