Removes broken studs, bolts, socket screws and fittings. Extractors have aggressive left-hand spiral design for extra gripping power; Extractor size and recommended drill bit size are etched on each tool for easy identification. Spiral screw extractors are made from rugged, high carbon steel to handle the stress of removing broken bolts. Multi-spline screw design creates a greater gripping area for more torque; Tough C4150 alloy steel construction. Left hand cobalt fractional mechanics length series drill bits are designed for use with screw extractors; Have 135° split point, heavy-duty web, and are made of cobalt high speed steel (HSS) for use in tough metals.

Brand: Cornwell
Manufacturer Part Number: ATC-11135