Designed for precise and controlled removal of broken studs or bolts with M6–M10 thread sizes. The set enables efficient stud extraction or complete removal when extraction is not possible. Ideal for use in engine blocks, cylinder heads, manifolds, and other threaded housings.
Step-by-Step Application:
Drill a centred pilot hole into the broken stud using the included HARDOX drills.
Insert a stud extractor to attempt removal.
If seized or damaged beyond extraction, drill out the thread completely and re-tap if required.
Included HARDOX HSS Co5 Drills:
Ø 3.0 mm, Ø 4.5 mm, Ø 6.4 mm.
Special 135° cutting edge and flat spiral geometry.
Coated for reduced wear and extended tool life (up to 2× longer than standard coatings).
Suitable for hard steels, oxidised fasteners, and seized components.
Carbide Head-Cutter (40122005):
Ø 4.8 x 50 mm, Ø 6.0 x 50 mm, Ø 6.0 x 105 mm.
Designed to level uneven or fractured bolt surfaces before drilling.
Prevents drill walking and misalignment.
High-strength carbide body for long service life and clean cuts.
Key Advantages:
Safe removal method minimising damage to surrounding material.
Covers common automotive and industrial fastener sizes.
Effective on heavily corroded or sheared bolts.
Suitable for workshop and mobile repair environments.
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To order this product please call 01335 360759