Forney Welding 20863 Helical Flute Screw Extractor - 4

The Forney 20863 is a #4 helical flute screw extractor designed for removing broken screws, bolts, and other threaded fasteners. This professional-grade extraction tool features a reverse-spiral flute design that grips and backs out damaged fasteners when turned counter-clockwise with a wrench or tap handle.

Key Features:

• Helical flute design provides superior grip on broken fasteners
• Removes broken screws, bolts, studs, and threaded pipe sections
• Requires 1/4" pre-drilled pilot hole
• Works with screw and bolt sizes: 7/16" to 9/16"
• Compatible with 1/8" pipe size
• Metric application range: 12mm to 14mm
• Hardened steel construction for durability

To use, drill a pilot hole into the center of the broken fastener using a 1/4" drill bit, insert the extractor into the hole, and turn counter-clockwise with a wrench or adjustable tap wrench. The reverse threads bite into the fastener and extract it as you turn. An essential tool for automotive repair, machinery maintenance, and any application where fasteners may break or strip.