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Cold Forming Process

Cold forming plugs to fit your every need (Cold Forming Process) Cold forming is one of three steps involved in the processing of our precision-fit plugs. This method was developed in Germany, prior to the close of World War II, and designed to form metal at high production rates into finished net shapes with no material waste. Pittsburgh Plug uses National five-die cold formers with capabilitie...

http://www.pittsburghplug.com/coldforming1.htm

Pittsburgh Plug & Products, Corp.

Since its early beginning as a manufacturer of core hole plugs for cylinder block castings, over fifty five years ago, Pittsburgh Plug & Products Corporation has specialized in contract manufacturing for the automotive industry. Today, our products are forged on National Cold Formers, using five dies to produce a variety of sizes, lengths, and head styles. Coiled wire is the principal raw mate...

http://www.pittsburghplug.com/

General Product Listing

Product Listing HEXAGON AND SQUARE COUNTERSUNK (HEADLESS) PIPE PLUGS. DRYSEAL THREAD WITH 3/4 INCH TAPER PER FOOT NOMINAL SIZE 1/16" 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" TPI 27 27 18 18 14 18 11-1/2 11-1/2 HEXAGON (OUTSIDE) AND SQUARE (INSIDE) HEAD PIPE PLUGS. DRYSEAL THREAD WITH 3/4 INCH TAPER PER FOOT NOMINAL SIZE 1/8" 1/4" 3/8" 1/2" 3/4" 1" -- -- TPI 27 18 18 14 14 11-1/2 -- -- HEXAGON COUNTERSUN...

http://www.pittsburghplug.com/product-list.htm

Precision threading to meet the highest standards

Precision threading to meet the highest standards (Roll Threading Proccess) Quality pipe threads must be perfectly round, fully formed and uniformly tapered. To secure the outmost repeatability, Pittsburgh Plug utilizes Reed tri-roll cylindrical die threading machines, equipment that provides infinite control of die speed, blank revolution, and blank penetration rate. The three dies, which are cir...

http://www.pittsburghplug.com/threading.htm

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