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.

1 x Dormer M9003 Screw Extractor M8-M12

Specifications:

Bolt Size: M8 - M12
Drill Size for Low/Medium Tensile Screws: 4mm
Drill Size for High Tensile Screws (+75 tons/sq.inch): 4.2mm

Bolt Size Imperial: 5/16 - 7/16in
Drill Size for Low/Medium Tensile Screws: 5/32in
Drill Size for High Tensile Screws (+75 tons/sq.inch): 11/64in

Cutting Diameter Step: 3.18mm
Cutting Diameter Second Cutting Step (DC_2): 6.4mm
Clamping Width (WSC): 4.8mm
Clamping Length (LSC): 7.5mm

Overall Length (OAL): 68.7mm
Net Weight: 14g.