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PITTSBURGH PLUG AND 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 material ingredient with sizes ranging up to over 1-1/16 inches in diameter. Various grades of steel, brass, and aluminum are purchased to exacting specifications free from non-metallic inclusions, segregations, and seams. Essentially a scrapless operation, with no cut-off or trimming waste, all plug blanks are held to extremely close tolerances to assure leak-proof seals after threading. Secondary operations performed on special purpose automatic machines, suitable for chucking, machining, and roll threading, compliment fast and efficient production methods.

Recipient of the prestigious Ford Q1 Award, Pittsburgh Plug & Products is QS-9000 certified a quality standard meeting the combined requirements from Ford, General Motors and Chrysler Corporation.

We have developed a reputation for quality products, technical competence, and optimum service to meet our customer’s needs.

We are located in western Pennsylvania, approximately 45 minutes north of downtown Pittsburgh.

P.O. Box H
Evans City, PA 16033
Phone (724) 538-4022 Ext. 21
Fax: (724) 538-4105
E-mail: sales@pittsburghplug.com

Cold Forming

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 capabilities ranging from 85 through 300 tons. Engineering concepts of proven success through years of production include: power feeding, rugged bushing-type cutters, rotating and non-rotating transfer, finger spreading, re-circulating lubrication and practical, efficient expendable tooling manufactured in-house.

If you are interested in cold formed pipe plugs and would like more information, contact us today. Backward and forward extrusions are our specialty.

Precision Threading

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 circular in shape, cam in on the work piece (or plug blank), while rotating at a predetermined rate of speed. The diameter of the finished thread is controlled by the diameter of the work piece.

Threads generated are strong, highly burnished, and precisely tapered.

Automated production techniques monitored by statistical controls, provide a quality threading process you can depend on with every piece.

Thread Coating

The assurance of perfect sealing is another vital feature in the quality of our plugs.

Pittsburgh Plug has custom built process lines suitable for coating both ferrous and non-ferrous plugs. Total moving conveyance equates to over 900 feet of automated fixturing, convection drying and on line packaging. In process fiber optic and laser inspection devices provide production integrity, virtual assuring defect free products.

Coating materials are supplied by Loctite(tm), 3M(tm) and N-D Industries(tm).

If your job depends on balancing performance with economics, specify our plugs with a threads only sealant application — a quality sealant process you can count on.

Product Applications

SOCKET PLUGS
The most frequently requested Pittsburgh Plug product is the standard steel type plug, pictured here. The hexagonal or square socket provides positive wrenching for higher torques. Less raw material is utilized which means less cost to the user. Safety hazards created by head protrusions are eliminated. Carefully controlled taper and fully formed threads, to standard or dryseal specifications, assure leak-proof insertions.

Manufactured to conventional gauging practices, these plugs will normally protrude three or four turns above the top of standard tapped holes when fully tightened.

– Permanent closure of holes left in engine cylinder blocks
– Various pan plug applications
– Multi-speed driving axles utilizing filler or drain plugs
– Small internal combustion engines, compressors and tanks
– High capacity transmission cases
– Magnetic Plugs

PRODUCT LIST & SPECS