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Parts, Media & Service


Marshall Machinery carries a full line of spare parts for all the equipment we sell and most competitive models.  We offer custom supply programs for spare equipment parts or finishing media…just ask our specialists. We can also help determine effective supply chain solutions for your manufacturing needs.



We carry a wide selection of media to fit your specific needs. The Media Selection Guide below can help you choose the correct media for a specific application.  Testing on sample parts is suggested if there is any question and Marshall Machinery can help with this process; just contact us at for more information. If you are unsure if you need blasting media in grit or micron sizes, just refer to the Media Conversion Chart below.

Equipment Manufacturers

Media Selection Guide

Click Here to View the Media Selection Guide

Media Conversion Chart

Microns Grit Inches Mesh
500 47 .0200  
430 54 .0170  
400 61 .0160  
350 65 .0140  
300 75 .0120 48
275 80 .0110 55
250 85 .0100 60
220 90 .0088 64
200 95 .0080 67
175 100 .0070 80
150 110 .0060 100
125 150 .0050 115
80 185 .0032 190
65 220 .0026 250
50 270 .0020 275
40 280 .0016 400
30 330 .0012  
25 380 .0010  
17 500 .0007  
14 600 .0006  
10 800 .0004  

Download Chart

Abrasive Blasting Media

Following is a list of some of the blasting media carried by Marshall Machinery. Contact us at if you do not see what you need. 

  • Aluminum Oxide
  • Crushed Glass
  • Garnet
  • Glass Bead
  • Silicon Carbide
  • Sodium Bicarbonate
  • Steel Shot
  • Plastic
  • Pumice
  • Walnut Shell
Abrasive Blasting Media

Micro-abrasive Media Selection Guide

Storage Information

Nozzle and Abrasive Media Guide


Vibratory and Mass Finishing Media & Compounds

Vibratory and Mass Finishing Media

Following is a list of some of the tumbling, vibratory and mass finishing media carried by Marshall Machinery.  Contact us at if you do not see what you need.

  • Ceramic
  • Plastic
  • Precision
  • Synthetic
  • Special Process Compounds
  • Standard Dry Compounds
  • Standard Liquid Compounds

Media Recycling

Our interest is in working with our customers to help them create media recycling programs that fit their specific needs. There are two areas of media recycling that our customers are interested in and where Marshall Machinery can be of assistance. 

The first is to recycle media during the blast cycle to separate good media from spent media (broken down media).  We carry a full line of abrasive blast recycling equipment that separates good media from spent media allowing you to reuse this good media again.

The second area many companies are interested in is connected to their corporate sustainability policies, and has to do with reducing the amount of waste that is sent to landfills.  Marshall Machinery offers a program to collect spent media and reuse it in other industries and applications. Contact us at for more information about this program.

Contact us today for more information about either of these solutions.


When you have a problem with your finishing equipment and your production is at a standstill, we can help. Our factory trained service technicians can help you troubleshoot problems over the phone or come to your facility and get you back up and running.

We offer a variety of different service options to meet your company’s individual needs.

Service Contracts

Marshall Machinery offers quarterly, monthly, or semi-annual service contracts tailored to your specific equipment and usage requirement.  Depending on the level of service required, your contract can include any or all of the following:

  • Quarterly Assessment and General Maintenance Service
  • Annual Machine Rebuild or Annual Machine Tune Up
  • Written Reports for Your Records
  • Reduced Rate for Additional Service Calls
  • Priority Response for Service
  • Spare Part Discount
  • On-site Operator Training During Scheduled Service Visits
  • Unlimited Phone Support
  • Replacement Manuals

Emergency Service

If your machine is down and you are in the middle of a critical production run and you need help fast, call us.  We will respond as soon as possible with a technician at your site with common repair parts.  We will diagnose your problem and have you up and running again as soon as possible.  You will receive a written report for your records upon completion of our service.

Noncritical Service Response

When your machine isn’t running well yet the work is getting done, but production rates have fallen… you usually know there is a problem of some sort.  We will troubleshoot your system over the phone and schedule a visit to your site that is convenient to both our schedules, generally within a few days.  You will receive a written report for your records upon completion of our service call to your facility.

Maintence Information

Oil Contamination Guide

Sample Processing

Are you looking for the right solution for your deburring or surface preparation application? Let Marshall Machinery’s Application Lab help you find the answer. Many factors contribute to the best finishing process: material, part size, manufacturing process, and surface finish requirements. Our Applications Engineers have the right tools and experience to get you results. The test procedure and results are documented in a lab report that is sent back to you along with the sample parts for evaluation.

Demo Lab

Our on-site demo lab for micro-abrasive blasting allows our customers the ability to try our Comco MicroBlaster before you purchase one for your specific process.

Job Shop Work

If you are not yet ready to invest in new deburring or finishing equipment or you’re on a tight deadline, you can reduce your costs by utilizing our job shop facilities. Burrs, sharp edges, tool marks, flash and heat-treat scale can be removed with our precision deburring and finishing techniques. Contact us at for more information.