Prox Company, Inc., is a machine shop and leading supplier of replacement parts for underground mining equipment. With over one hundred years of experience in the mining equipment industry, we are sure to have the replacement parts you need for your underground mining equipment. Our machine shop specializes in custom machining and heat treating metal.

Replacement Parts for Underground Mining Equipment

CNC Machining
Custom Machining
Heat Treating
Mining Equipment and Supplies

About the Company

Prox Company, Inc. has been manufacturing quality products at competitive prices for the mining industry and other industries since 1875. Family owned since its inception, fourth generation current President, Robert F. Prox, Jr., and his daughter, fifth generation Vice-President and General Manager, Ann L. Prox, strive to continually improve products and customer relations. Located in Terre Haute, Indiana, Prox Company, Inc. has vendors that distribute our products worldwide.

Custom Machining

Prox Company, Inc. is a all purpose production marchine shop serving commercial and industrial industries, as well as other markets. We specialize in the machining of forgings, castings and alloy steels with complete in-house heat treating.

Our equipment and personnel can offer our customers the specialized service of single source machining, heat treating, fabrication and assembly. Whatever the field and whatever the need, Prox Company has the expertise to get the job done to your specifications and on time.

Blocks

Conical Block
This standard duty, no-sleeve miner block for 1" shank bits that are held by a hose clamp or hair-pin keeper can be bottom drilled for accurate placement.

Radial Blocks
Strong, dependable performance from:
7620, 1" x 1-5/8" bit - Q Retainer
7621, 1" x 1-5/8" bit - Button
2802 forging available with 1/2" x 1" or 5/8" x 1-1/8" bit hole for set screw, roll pin or Q retainer.

Replacements for Joy Continuous Miner Chains

AA Link
14 CM10AA miners-type chains

• We can meet your specific needs with the availability of several lacing patterns.

JCM Link
Our 12 & 14 CM type chains are interchangeable with those available from the original manufacturer.

• We can meet your specific needs with several lacing patterns.
• We have the ability to make the lacing chart you need.
• You get the strength and performance you need from precision-machined alloy components.
• All items are atmospherically heat treated to exacting specifications for strength and durability.

Lee-Norse & Hi-Wall Miners

• We can supply trim chains for Lee-Norse 245 & 285 miners, as well as Hi-Wall miners.
• Contact us for more information

Conveyor Chains

Heavy duty, 2-3/4" pitch (27.5" & 36" widths)

Standard duty, 2-5/8" pitch (22.5" & 27.5" widths)

• Heat-treated alloy forgings for strength and durability.
• Heat-treated alloy forgings for strength and durability. Special alloy HY-TUF® pins.
• Available in any length to meet your specific needs.