how to remove broken tap from outboard motor lower unit machine tool equipment SFX-4000B Drill extractor

how to remove broken tap from outboard motor lower unit machine tool equipment SFX-4000B Drill extractor
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sku: 4000018923144
$2,380.00
Shipping from: China
   Technical Details
Brand Name: SFX
CNC or Not: CNC
Condition: New
Electrode Diameter mm: 2-13
Input power w: 3000W
Input Voltage V: AC220V/110V 50Hz
Machine Size L*W*H mm: 420*220*370
Max Processing Speed mm/min: 2mm/min
Max Travel of Work Head mm: 70
Model Number: SFX-4000B
Net weight kg: 22
Output Voltage V: DC 75-80V
Work Head Size L*W*H mm: DK8 300*50*50
Working liquid: tap water
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