R.P. ABRASIVES & MACHINE, INC.

Metal finishers specializing in Deburring and Finishing, Bead Blasting and Passivation, Polishing and Tumbling.

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What We Do at RPA


RP Abrasives is a metal finisher specializing in the bead blasting, deburring, finishing, passivating, buffing and polishing as well as tumbling of difficult parts. We operate in a job shop environment and combine many methods of deburring technology such as tumbling, blasting, deburring, polishing, and passivating under one roof.  By combining several processes, we can often finish or complete parts with higher quality, lower cost and faster turn around times than our customers can do themselves.  For example, sometimes parts will require tumbling before bead blasting or they may require finishing by hand deburring or batch deburring (sometimes called mass finishing) followed by polishing and buffing and then passivation.  At other times, parts frequently need tumbling, then passivating or sand blasting combined with other operations.  In still other cases components will require tumbling is several different medias to achieve a desired finish.

We work with many types of material such as metal (from aluminum to brass to copper to steel to titanium to zirconium) and plastics plus composites.  One type of plastic that frequently get bead blasted is ultem.

Give us a try! Whether it's a one of a kind, $60k prototype part, or 5 million automotive parts that need to be done for just a penny a piece, we're sure we can exceed your expectations and provide you with an unmatched quality finish.  For our customers, batch sizes frequently range from just 10 or 20 pieces up to batches of 100,000 pieces or more.  In fact, we have one customer whose batch size is 1,000,000 pieces.

Examples of RP Abrasives deburring, blasting, tumbling & polishing
Examples of RPA processed parts

How We Do It


We often combine different methods of burr removal, blasting, buffing, polishing, finishing, passivating and tumbling to come up with a specific process for a particular part. This gives us the ability to find a creative solution to your deburring problems.

Some of our deburring methods are:

  • Tumbling
    - vibratory tumbling
    -      Bowl and Tub
    - High Energy tumbling



  • Blasting
    - Micro blasting ( or pencil blasting)
    - Tumble blasting
    - Batch blasting


  • Custom Automated Deburring and Polishing

  • Hand Deburring

  • Finishing (mirror, mat, or satin)

  • Tapping and countersinking

  • Passivating
  • Tube polishing (bore polishing)


Who We Serve 

Our customers are active in the following market segments.

  • Automotive
  • Computer
  • Defense
  • Electronics
  • Instramentation
  • Laser
  • Military
  • Optics
  • Medical
  • Surgical
  • Semiconductor
  • General Manufacturing

    61 Old Wakefield Road, Milton, NH 03851 / (phone) 603.335.2132 / (fax) 603.822.2407

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Metal finishers specializing in bead blasting - deburring - passivation - buffing - polishing - vibratory tumbling - high energy tumbling - sand blasting - mass finishing.
 
We serve customers through the United States with most of our customers located in New Hampshire, Massachusetts, Maine, Connecticut and Rhode Island.

 

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