Irwin 53601 Hanson ST-1 Straight Flute Screw Extractor (3/16" to 5/16")
• Designed for softer materials or thin-walled pieces such as pipes and fittings
• Design eases extraction because it does not expand the material as you remove it
• Removes both left-hand and right-hand threaded parts
• Extractor size and recommended drill bit size are etched on each tool
• Use for 3/16" - 5/16", 5mm - 8mm, No. 10
Hanson Straight Flute Screw Extractor, for removing broken screws, studs and bolts in soft materials, or thin-walled pieces such as pipe and fittings. The straight tapered flute will not expand the piece being removed, the broken piece is removed without damage to threads. The correct drill size is stamped on each screw extractor. Use drill size 9/64. Use for 3/16" - 5/16", 5mm - 8mm, No. 10. Recommended for use with TR-88 Tap Wrench.