From functionality, to flexibility, this drill is the most portable drilling system on the market. The new permanent magnet with V groove allows for mounting on flat surfaces as well as pipes. Paired with the FEIN High power brushless motor, this drill will deliver the drilling performance you would expect from any corded version. With 10" of total stroke range, the AJMU137 is designed for core drilling, twist drilling, reaming, tapping and MT2 drill bits.


Small, long-stroke, 1-speed universal magnetic cordless core drill with forward / reverse rotation, MT2 tool mounting, permanent magnet and maximum functionality for mobile work on the construction site.


  • Battery voltage18 V
  • Battery capacity5,2
  • Motorbrushless
  • Full load speed130 - 520 rpm
  • Tool mount3/4 in Weldon
  • Twist drill max. dia.11/16 in
  • Mag base, max. drilling depth2(3)* in
  • TappingM 14 in
  • Max. countersinking dia.1-1/4 in
  • Reaming max. dia.11/16 in
  • Carbide annular cutter max. dia.1-3/8 in
  • HSS annular cutters max. dia.1-3/8 in
  • Annular cutter holder3/4 in Weldon
  • Annular cutter changetool-free
  • Stroke5-1/4 in
  • Total stroke range10-1/4 in
  • Magnetic holding force2 023 lbs
  • Magnetic base dimensions7-11/16 x 2-3/4 in
  • Weight incl. battery28.2 lbs
  • Weight without battery26.7 lbs

Fein AJMU-137-PMQW Cordless Mag Drill 1-3/8"


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