The Dormer M900 Screw Extractors can be used counter-clockwise to remove broken right-handed bolts & screws from threaded holes without damaging threads. It’s necessary to drill a guide hole of proper size before using the extractor.

Specifications:

Bolt Size: M42 - M45
Drill Size for Low/Medium Tensile Screws: 20.5mm
Drill Size for High Tensile Screws (+75 tons/sq.inch): 21.5mm

Bolt Size Imperial: 1.3/8 - 1.3/4in
Drill Size for Low/Medium Tensile Screws: 13/16in
Drill Size for High Tensile Screws (+75 tons/sq.inch): 27/32in

Cutting Diameter Step: 18.65mm
Cutting Diameter Second Cutting Step (DC_2): 25.1mm
Clamping Width (WSC): 19.8mm
Clamping Length (LSC): 19.4mm

Overall Length (OAL): 114.3mm
Net Weight: 360g