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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 M-MU201 High Speed Steel Air-Driven Mica-Miller with Small Head, 14-1/4" L x 5/16" Spindle

    ID: MARTINM-MU201
    Mfr ID: M-MU201
    The Martindale M-MU201 air-driven mica-miller is lightweight, rugged and powerful tool comes with a small head, 5/16 Inch arbor. It is used with high speed steel (HSS) saws at 2500 rpm.

     

  • Martindale Electric M-MU202 High Speed Steel Air-Driven Mica-Miller with Standard Head, 14-1/4" L x 5/16" Spindle

    ID: MARTINM-MU202
    Mfr ID: M-MU202
    The Martindale M-MU202 air-driven mica-miller is lightweight, rugged and powerful tool comes with a standard head, 5/16 Inch arbor. It is used with high speed steel (HSS) saws at 2000 rpm.

     

  • 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 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 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.

     

  • Martindale Electric HSS 50 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_hss_v50-cutters
    The high speed steel 50 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 HSS 60 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_hss_v60-cutters
    The high speed steel 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 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 FILL01 Automatic Air Filter/Lubricator, For Imperial Undercutter

    ID: MARTINFILL01
    Mfr ID: FILL01
    Martindale Electric FILL01 Automatic Air Filter/Lubricator.

     

  • Martindale Electric Tungsten Carbide 40 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_tun_v50-cutters
    The tungsten carbide 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 Tungsten Carbide 50 deg V-Slot Undercutting Saw

    Multiple item options available
    Mfr ID: martindale_tun_v50-cutters
    The tungsten carbide 50 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 M-MU03 Extra Interchangeable Heavy Duty Head, 3/8" Spindle, For Model K Mica-Miller Undercutter

    ID: MARTINM-MU03
    Mfr ID: M-MU03
    Martindale Electric Extra Interchangeable Heavy Duty Head.

     

  • Martindale Electric M-MU203 High Speed Steel Air-Driven Mica-Miller with Heavy Duty Head, 14-1/4" L x 3/8" Spindle

    ID: MARTINM-MU203
    Mfr ID: M-MU203
    The Martindale M-MU203 air-driven mica-miller is lightweight, rugged and powerful tool comes with a heavy-duty head, 5/16 Inch arbor. It is used with high speed steel (HSS) saws at 1350 rpm.

     

  • Martindale Electric Extra Interchangeable Standard Head

    Multiple item options available
    Mfr ID: MU02
    The standard head is for all-around use. Uses 7/8 Inch or 1 Inch diameter x 5/16 Inch hole, or 25 mm, diameter x 7 mm hole saws or V-cutters.

     

  • Martindale Electric Utility Undercutter

    Multiple item options available
    Mfr ID: UTLU
    The utility undercutter, as its name implies, is a low-cost machine designed for the repair shop that handles a wide variety of armatures from the smallest up to 9 Inch diameter. Bearings, fans, etc., need not be removed from the armature.

     

  • 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.

     

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