Irwin 394001 Bolt-Grip Bolt Extractor Base Set, 3/8 inch Square Drive, SAE and Metric Removal Sizes, 5 Piece

Irwin 394001 Bolt-Grip Bolt Extractor Base Set, 3/8 inch Square Drive, SAE and Metric Removal Sizes, 5 Piece

• Irwin 394001 Bolt-Grip Bolt Extractor Base Set is a 5 piece kit for removing rounded-off, rusted-tight, or painted-over hex fasteners. Reverse spiral flutes bite into the fastener head for grip, and the 3/8 inch square drive and hex flats support use with common hand and impact tools.
• Features:
  • Reverse spiral flute design bites down to help maximize gripping power on rounded or stubborn fasteners.
  • High carbon steel construction supports durability in repeated extraction work.
  • Universal lobular design fits multiple fastener types for broader removal capability.
  • 3/8 inch square drive supports use with hand ratchets, impact wrenches, and air ratchets.
  • Hexagonal flats support driving with a flat wrench, adjustable wrench, pliers, or a socket.
  • Designed for removing damaged fasteners as a complete extractor set, not a replacement part for another SKU.
• Includes:
  • Bolt extractor, removes 3/8 inch or 10 mm fastener heads
  • Bolt extractor, removes 7/16 inch or 11 mm fastener heads
  • Bolt extractor, removes 1/2 inch or 13 mm fastener heads
  • Bolt extractor, removes 9/16 inch or 14 mm fastener heads
  • Bolt extractor, removes 5/8 inch or 16 mm fastener heads
  • Plastic storage case
• Specifications:
  • Manufacturer: Irwin
  • Part Number: HN394001
  • Product Name: Bolt-Grip Bolt Extractor Base Set
  • Alternate Part Numbers / Cross References: 394001
  • Category: Hand Tools
  • Subcategory: Extractors and Removal Tools
  • Product Type / Function: Bolt extractor set for removing rounded or seized fasteners
  • Pieces: 5 bolt extractors
  • Material: High carbon steel
  • Drive: 3/8 inch square drive
  • Secondary Drive: Hexagonal flats
  • Removal Sizes Covered: 3/8 inch and 10 mm, 7/16 inch and 11 mm, 1/2 inch and 13 mm, 9/16 inch and 14 mm, 5/8 inch and 16 mm
  • Packaging Type: Plastic case
  • System Compatibility / Application: Designed to remove rounded-off, rusted-tight, or painted-over nuts and bolts using 3/8 inch square drive tools or hex flats with common hand tools
• The Bolt-Grip Bolt Extractor Base Set can also be referred to as a bolt extractor set, a rounded fastener remover set, a reverse spiral bolt extractor kit, a 3/8 inch drive bolt extractor set, and a metric and SAE bolt extractor set.

Irwin develops hand tools and power tool accessories for professional trades and general maintenance, including product families such as Hanson and Vise-Grip. The brand is part of Stanley Black and Decker and supports a broad range of jobsite and workshop tool categories.

Q: What fastener head sizes can this set remove?
A: The set is specified to remove 3/8 inch and 10 mm, 7/16 inch and 11 mm, 1/2 inch and 13 mm, 9/16 inch and 14 mm, and 5/8 inch and 16 mm fastener heads.

Q: What tools can I use to drive these extractors?
A: They are specified with a 3/8 inch square drive and hexagonal flats, so you can use a ratchet, impact wrench, air ratchet, or drive them with a wrench on the hex flats.

Q: How do the extractors grip a rounded bolt?
A: They use reverse spiral flutes designed to bite down into the fastener head as you turn to help increase grip during removal.