Standard Lock Washer & Manufacturing Co., Inc.

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Standard Lock Washer & Manufacturing Co., Inc. produces a full range of precision fasteners, including taper, cotter, spring, dowel and straight pins, as well as washers of the spring‑lock, flat and fender types. The company also manufactures woodruff keys and cold‑punched machine‑screw nuts in both standard and custom dimensions, offering options in inch and metric sizes. Its product line features high‑alloy lock washers and Mil‑Carb flat washers specifically designed for Grade 5 and Grade 8 bolt applications. All pins are fabricated to meet AN, MS, NAS, MIL, DIN and ISO metric specifications, with aircraft taper pins conforming to AN386 standards. A broad assortment of these components is kept in stock, and the firm supports its production capabilities with complete in‑house die‑making facilities.

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