Mafell LS 103Ec Chain Mortiser

100% of 100
  • Fastest chain mortising because no clamping is needed
  • Choice of 1.5" or 2.0" chain and 120 V or 240 V motor
  • Plunges up to 5-7/8" deep  (Need More?)
  • Mafell invented the chain mortiser in 1926 and is still decades ahead of the competition in power and durability

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924230 / 924231 / 924232 / 924233
Mafell LS 103Ec Chain Mortiser is available to buy in increments of 1

The Mafell LS 103Ec is a truly impressive chain mortiser, featuring a powerful 120 V or 240 V motor, chain bars which do not require lubrication, and chrome-hardened chains for long life.  This mortiser is available with 1.5" and 2.0" chain/bar setups to rapidly produce timber frame mortises with the sturdy FG 150 mortising stand.  The tensioning system of the LS 103Ec allows for fast chain replacement.  Even retightening the chain is quick and easy without having to remove the chain guard.


Mortising depth: 5-7/8"
Mortising width: 1-1/16" by 1.5" or 2.0"
Nominal speed - no load: 4050 rpm
Motor: 120 V or 240 V / 60 Hz
Current: 20 A
Weight with stand: 29.7 lbs

Standard Equipment

  • Chain, Bar and Sprocket
  • FG 150 Mortising Guide
  • Stop Plate
  • Two Allen Keys
  • LU202 Chain Lubricant
  • 32.8 ft Cord


  • Additional chains and replacement components are available below
  • 35% of LS 103Ec customers also order an extra chain so they can keep mortising while one chain is being sharpened
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