Irwin 52404 52404 - EXTRCTR EX-4 SPIRAL

52404 Hanson® Spiral Flute Screw Extractor - 534/524 Series - EX-4. Standard Features: Spiral Flute Screw Extractor. Designed to remove broken studs, bolts, socket screws and fittings. Aggressive left hand spiral design for extra gripping power. Spiral flutes are designed to embed themselves deeper into the metal as you turn the tool, so as the fastener resistance increases, the extractor's grip increases. Extractor size and recommended drill bit size are etched on each tool. Description: EX-4. Recommended Tap Wrench: TR-88. Use Drill Size: 1/4". Removes Bolts & Screws: 9/32" - 3/8", 1/8" NPT, 1/8" BSP, 8 mm - 10 mm.