Tamperproof Screw Company

ZAGO Flexible Moulding, located in Newark, NJ, specializes in high-tech sealing solutions and components used in a variety of industries, including military defense, aerospace, and medical devices. The company is renowned for its innovative sealing screws, bolts, nuts, and washers that provide effective protection against contaminants while ensuring the longevity and performance of high-value equipment. Recognized for its commitment to quality and customization, ZAGO offers products that are pressure-tested to military standards and suitable for demanding environments. With an emphasis on sustainability and customer service, the company proudly supports engineers and original equipment manufacturers (OEMs) worldwide by delivering reliable sealing fasteners tailored to meet unique specifications and challenges. Generated from the website

For over 100 years, Brewster Washers has been manufacturing flat washers, shims, discs, and more recently, specialty flat odd-shaped parts as well as parts with multiple holes. We typically work with material tolerances that are .0005″ on thickness and +/- .005″ to .001″ on Inside Diameters (ID) and Outside Diameters (OD). Our washers and specialty metal parts are made from a variety of materials: both pre-tempered and annealed Steel; Stainless Steel in all grades and hardness specifications; Copper; Brass; Aluminum; Phosphor Bronze annealed and hardened as well as semi-exotics such as Inconel, and Monel. We also manufacture parts from PTFE, Nylon, Nylatron, and plastics in a variety of colors to meet customer specifications.

About Sperry AutomaticsSince 1964, SPERRY AUTOMATICS has been an industry leader in fasteners, medical and electronic hardware, transportation and mining components, and much, much more. To better serve our clients Sperry Automatics employs only the most talented craftspeople, uses only the finest materials, and utilizes the highest quality machines available to produce some of the greatest products in the marketplace today. With one of the most diverse factories anywhere we are able to manufacture a vast array of products for nearly every industry with near limitless capabilities. Our design staff can work with you to develop and produce just what you're looking for, when you need it, and at reasonable prices.