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: M6 - M8
Drill Size for Low/Medium Tensile Screws: 2.8mm
Drill Size for High Tensile Screws (+75 tons/sq.inch): 3mm

Bolt Size Imperial: 1/4 - 5/16in
Drill Size for Low/Medium Tensile Screws: 7/64in
Drill Size for High Tensile Screws (+75 tons/sq.inch): 1/8in

Cutting Diameter Step: 2.18mm
Cutting Diameter Second Cutting Step (DC_2): 4.8mm

Clamping Width (WSC): 3.9mm
Clamping Length (LSC): 6.7mm

Overall Length (OAL): 61.1mm
Net Weight: 7g