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Commutator Undercutters & Accessories

Undercutting tools, for electric motor maintenance and repair, are offered in hand-held, bench, floor or lathe mounted models. From the smallest portable undercutter to the largest industrial model, handling up to 44" diameter and 1,000 lbs., we can provide exactly what suits your needs.
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Displaying 1 - 21 of 33 products found
  • Martindale Electric LTHU110L15 Slide Carriage, 28" L

    ID: MARTINLTHU110L15
    Mfr ID: 110L15
    The slide carriage is easily operated and is much faster than using the lathe carriage. Travel is 15-1/2 Inch on the model 110L15 with adjustable stops at both ends.

     

  • Martindale Electric LTHU110L21 Slide Carriage, 33" L

    ID: MARTINLTHU110L21
    Mfr ID: 110L21
    The slide carriage is easily operated and is much faster than using the lathe carriage. Travel is 21 Inch on the model 110L21 with adjustable stops at both ends.

     

  • Martindale Electric Dust Collector with 2 Hoods

    Multiple item options available
    Mfr ID: DSCLC
    Dust collector removes mica dust quickly comes with two hoods for use in a wide variety of dusty jobs. Has paddle-wheel type fan driven by 1/3 HP 3450 rpm motor.

     

  • Martindale Electric Bench

    Multiple item options available
    Mfr ID: H-9
    Model H-9 uses either high speed steel or carbide saws and V-cutters. This undercutter handles armatures from the small sizes up to 17 Inch dia and 450 lb. This includes a range of sizes too large for Model HV-3 and not large enough to necessitate an undercutter as large as the HA-2.

     

  • Martindale Electric HV-3 Bench Undercutter

    Multiple item options available
    Mfr ID: HV-3
    Uses either high speed steel or tungsten carbide saws and V-cutters. To change operation from high speed steel to carbide or vice-versa, it is necessary only to reverse pulleys (to change spindle speed). This outstanding undercutter is designed to handle the large volume production undercutting of the motor manufacturer, as well as the wide variety of undercutting requirements encountered in the service shop.

     

  • Martindale Electric Powerful Lightweight Undercutter

    Multiple item options available
    Mfr ID: K Mica-Miller
    The model K Mica- Miller is an excellent all-around undercutter for industrial plants or repair shops, as it can be used in the shop or taken to the job and can be operated on AC from any lighting circuit.

     

  • Martindale Electric Kut-Kwik Portable Electric Undercutter

    Multiple item options available
    Mfr ID: KTKW180
    This model is a perfect mica undercutting tool for our diamond undercutting wheels for those locations where compressed air is not available. This high speed (18000 rpm), high torque undercutter has a hanging motor with a flexible drive shaft making it easy to reach most applications.

     

  • Martindale Electric KTKWSTAND Portable Stand, For KTKW180 Kut-Kwik Undercutter

    ID: KTKWSTAND
    Mfr ID: KTKWSTAND
    Martindale Electric Portable Stand.

     

  • Martindale Electric Lathe Undercutter with Both Extended Spindle

    Multiple item options available
    Mfr ID: LTHU105
    The lathe-type undercutter with both extended spindle can be quickly attached in place of the tool post on any lathe. It can be mounted directly on the cross slide or on the slide carriage which is then mounted on the cross slide. Both horizontal and vertical commutators can be under cut.

     

  • Martindale Electric CASE101 Steel No 1 Carrying Case, For Imperial Undercutter

    ID: MARTINCASE101
    Mfr ID: CASE101
    Martindale Electric Steel No 1 Carrying Case.

     

  • Martindale Electric HSS 40 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_hss_v40-cutters
    The high speed steel 40 deg v-slot undercutting saws are carefully designed as to tooth form, hollow grind, hardness, etc. and are manufactured to close tolerances. While used primarily for undercutting mica and slotting risers of commutators, Martindale undercutting saws are also used for cutting steel, aluminum, plastics and other materials not requiring set teeth.

     

  • Martindale Electric U-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_tun_u-slot
    The tungsten carbide u-slot undercutting saws are carefully designed as to tooth form, hollow grind, hardness, etc. and are manufactured to close tolerances. While used primarily for undercutting mica and slotting risers of commutators, Martindale undercutting saws are also used for cutting steel, aluminum, plastics and other materials not requiring set teeth.

     

  • Martindale Electric IMPU102 Imperial Undercutter with Air Motor, 200 rpm

    ID: MARTINIMPU102
    Mfr ID: IMPU102
    The air motor model is powerful, compact and lightweight, it is operated with one hand on the left handle and the other hand around the air motor on the air control valve.

     

  • Martindale Electric M-MU01 Extra Interchangeable Small Head, 5/16" Spindle, For Model K Mica-Miller Undercutter

    ID: MARTINM-MU01
    Mfr ID: M-MU01
    Martindale Electric Extra Interchangeable Small Head.

     

  • Martindale Electric Tungsten Carbide 60 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_tun_v60-cutters
    The tungsten carbide 60 deg v-slot undercutting saws are carefully designed as to tooth form, hollow grind, hardness, etc. and are manufactured to close tolerances. While used primarily for undercutting mica and slotting risers of commutators, Martindale undercutting saws are also used for cutting steel, aluminum, plastics and other materials not requiring set teeth.

     

  • Martindale Electric LTHU110 Slide Carriage, 23" L

    ID: MARTINLTHU110
    Mfr ID: 110
    The slide carriage is easily operated and is much faster than using the lathe carriage. Travel is 11 Inch on the model 110 with adjustable stops at both ends.

     

  • Martindale Electric Close-Cut Undercutter with Carrying Case

    Multiple item options available
    Mfr ID: CCUC
    The close-cut undercutter was specially designed to finish off a mica slot when it is necessary to cut within 1/8 Inch of a riser. This unit has a straight solid shaft and needle bearings, both front and rear, for smoother operation. Though we hesitate to recommend carbide saws in any hand-held undercutter, we have had success with them in this smaller unit.

     

  • Martindale Electric KK350 Kut-Kwik Mini Undercutter, 35000 rpm

    ID: KTKW350
    Mfr ID: KK350
    Model KK350 Mini Kut-Kwik is a compact, high speed (35000 rpm) air operated undercutter, ideal for use in confined space where a standard sized hand held undercutter would be too large.

     

  • Martindale Electric KK50 Kut-Kwik Undercutter, 5300 rpm

    ID: KTKW050
    Mfr ID: KK50
    Model KK50 5300 rpm version is recommended for use with tungsten carbide saws. It should be noted that because of the brittle nature of carbide, these saws are more susceptible to breakage and should only be used by skilled operators.

     

  • Martindale Electric Lathe Undercutter with Both Spindle

    Multiple item options available
    Mfr ID: LTHU101
    The lathe-type undercutter can be quickly attached in place of the tool post on any lathe. It can be mounted directly on the cross slide or on the slide carriage which is then mounted on the cross slide. Both horizontal and vertical commutators can be under cut.

     

  • Martindale Electric AIRH10 Air Hose with Quick Connector, 10' L

    ID: MARTINAIRH10
    Mfr ID: AIRH10
    A ten-foot air hose complete with end connections, including a quick-connector at the motor end, is available at extra cost.

     

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