Quality Is Our Legacy

In 1913, L.H. Hamilton and Chester H. Beach started a new company to produce labor-saving, motor-driven electrical devices, built with better designs and better components than the competition.

Wisconsin Electric Company, soon changed to Dumore Corporation, and continued to thrive, refining its motors and bringing together a team dedicated to building quality products and standing behind them. High-quality electric motors led to industrial tools.

Over 100 years later, the tradition continues …
Learn More >

Grinders

 

Dumore Tools manufactures hand grinders, flexible shaft grinders, tool post grinders
available individually or in kits, as well as grinding wheels, spindles and other accessories.

 

Hand Grinders

Dumore Tools Series 9 hand grinders

Series 9 Hand Grinders

The Series 9 hand grinders are ideal for heavy duty grinding operations, including grinding weld seams, snagging castings, spark testing, porting and polishing engines. These hand grinders, powered by Dumore Motors high torque 1/4 HP fan cooled motor, idles at 15,500 rpm. Three heavy duty precision grease-lubricated ball bearings provide rigid spindle support. The threaded spindle allows for use of 1/4" shank mounted wheels in a collet chuck or 3/8" bore standard wheels. 

Operating Instructions
Parts List >
Request Quote > 
Find Distributor >


 

Dumore Tools Series 10 hand grinders


Series 10 Hand Grinders

The Series 10 hand grinder, an extremely accurate grinder, is the industry's most popular hand grinder for all around use and precision tool and die work. These hand grinders have two grease lubricated ball bearings, idle at 22,000 rpm and features a 0-5/32 geared chuck. 

Operating Instructions
Parts List >
Request Quote > 
Find Distributor >

Dumore Tools Series10 hand grinding kit


Series 10 Hand Grinding Kit

The Series 10 deluxe hand grinding kit has everything you'll need for precision tool and die work, including the industry's most popular hand grinder for precision tool and die, and all-around use. With the all-in-one kit, you have the capable of rotary filing, de-burring and cleaning/polishing.

The Series 10 Deluxe Hand Grinding Kit includes:

  • Series 10 hand grinder
  • 8 mounted wheels for grinding and de-burring
  • Dressing stone
  • 1" diameter cutoff wheel and arbor
  • Wrenches
  • 1/8" precision chuck
  • Handy carrying case
Operating Instructions
Parts List >
Request Quote > 
Find Distributor >



Dumore Tools Series35 hand grinders

Series 35 Hand Grinders

The Series 35 hand grinders are ideal for grinding applications or using as rotary files. Three precision grease lubricated bearings provide rigid spindle support, minimal run-out and cool the running motor. The durable, light-weight die-cast aluminum housing and slim configuration permit easy grinder use. 

Operating Instructions
Parts List >
Request Quote > 
Find Distributor >

 



 



Dumore Tools Series1 flexible shaft grinders
 
 
  
 


Flexible Shaft Grinders


Series 1 Flexible Shaft Grinders

The Series 1 flexible shaft grinder are ideal for filing and similar operations and accommodate maximum 5/32" shank accessories. These flexible shaft grinders features a knurled sure-grip, ball bearing hand piece and have an extra long brush life to minimize maintenance 

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >

 


Series 6 Low Speed Flexible Shaft Grinders

Part 6-411

The Series 6 low speed flexible shaft grinders are intended for heavy-duty metal removal with larger mounted wheels or rotary files. The powerful permanent magnet motor maintains speed under load with excellent performance at speeds as low as 500 rpm with 1-310 table-top speed control. 

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >




Series 6 High Speed Flexible Shaft Grinders

Part 6-511

The Series 6 high speed flexible shaft grinders are a versatile combination of high speed and high horsepower providing the speed required for light work such as contouring and polishing jobs, the torque needed for heavier grinding and filing and the speed and torque required for heavy duty metal removal with carbide burrs. 

Operating Instruction & Parts List >
Request Quote > 
Find Distributor >

 

 

 

 


Tool Post Grinders


1/14 HP Integral Spindle Tool Post Grinders

Series 14 integral spindle tool post grinders

Series 14

Dumore Tools 1/14 HP integral spindle tool post grinders, designed for internal and external grinding, are compact grinders suitable for small tool room lathes with swings up to 7". Powered by a Dumore Motors, high quality 1/14 HP motor with long life pre-lubricated bearings (115 VAC) and grinding speeds of 10,000 and 22,500 rpm, this ultimate tool post grinder can handle from 1/8" to 3" diameter wheels for external grinding and up to 6 speeds at the change of a pulley. The built-in spindle can also handle internal grinding as small as 1/8" in diameter. The tool post grinder also include a T-bolt mounting and handy carrying case.   

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >



 

1/4 HP Integral Spindle Tool Post Grinding Kit

Series 44 integral spindle tool post grinding kit

Series 44

The complete 1/4 HP integral spindle tool post grinding kit comes in a handy carrying case that includes:

  • 1/4 HP (Series 14) integral spindle tool post grinder
  • 1 internal arbor
  • 1/8" and 1/4" chucks
  • 1/8" and 1/4" mounted wheels
  • 3 general purpose grinding wheels
  • All necessary guarding
  • Diamond wheel dresser
  • Pulleys & belts
  • Spindle oil

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >


 

1/2 HP, 3/4 HP or 1 HP Integral Spindle Tool Post Grinding Kits

Series 57

Dumore Tools made sure the Series 57 tool post grinding kits are packed full of value and ready for serious tool and die work! There are two kits available – an external grinding kit and one for both internal and external grinding. Each kit includes your choice of a 1/2 HP, 3/4 HP or 1 HP motor, tool post grinder, all the necessary guarding, pulley and belts, and diamond wheel dresser all in a sturdy carrying case.     

Series 57 integral spindle external tool post grinding kit

          
           External Tool Post Grinding Kit

           The Series 57 external tool post grinding kit is ideal for a wide range
           of external applications using up to a 6" wheel. In addition to the items
           indicated above, the external tool post grinding kit includes an external
           5X-350 grinding spindle and 3 general purpose grinding wheels.
          


Series 57 integral spindle internal and external tool post grinding kit

           Internal & External Grinding Kit

           The Series 57 internal and external tool post grinding kit handles internal 
           and external grinding jobs with up to a 5" diameter wheel, and internal
           grinding applications to a depth of 8" in a diameter over 1-3/4". In addition
           to the items indicated above, the external tool post grinding kit includes
           4 insert spindles (5T-200, TX, TC, and TN-3), 3 external grinding wheels,
           4 mounted wheels and 2 internal grinding wheels.
                

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >

 


 



1 HP Interchangeable Spindle Tool Post Grinder

Series 12 1 HP interchangeable spindle tool post grinders

Series 12

The 1 HP interchangeable spindle precision tool post grinders for internal and external grinding are suitable for 20" or larger lathes. Features include a Dumore Motors constant speed 3,450 rpm induction motor, five spindle speeds, heavy duty frame for vibration-free operation under heavy loads, and vertical height screw for fast centering. Spindle sold separately 

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >

 


 



Series 25 3 HP interchangeable spindle tool post grinders



3 HP Interchangeable Spindle Tool Post Grinder

Series 25

The 1 HP interchangeable spindle precision tool post grinders for external and surface-grinding jobs are suitable for 20" capacity or larger lathes, milling machines, planers and boring mills. These tool post grinders are equipped with a built-in magnetic starter, overload protection and grease-sealed bearings. They can also be adapted for internal grinding applications. Spindle sold separately 

Operating Instructions & Parts List >
Request Quote > 
Find Distributor >



 

 

 


Grinder Accessories

Dumore Tools grinder accessories – grinder spindles


Spindles

Dumore Tools precision spindles have kept the company's products in the forefront of grinding applications for over 60 years. Starting with the highest quality steel, Dumore Tools craftsmen turn, grind, polish and fit each spindle individually. The spindles high precision, rugged construction and long life have made them popular with both Dumore product owners and other manufacturers who source special configurations for OEM applications.


Dumore Tools grinder accessories


Additional Grinder Accessories

Dumore Tools manufactures an extensive variety of accessories for grinders and drilling units, including miniature grinding wheels for micro-sized applications, to full-sized wheels in different compositions and shapes for specific grinding needs


Dumore Tools grinder accessories – grinding wheels


Grinding Wheels

Dumore Tools offers a wide range of grinding wheels.
     Grinding Wheels Options >


 







Dumore Tools grinders, accessories and replacement parts are sold through
distributors or contact Dumore Tools for assistance.






The Quality Your Products Demand - At A Competitive Price - Made In The USA!