Hardened tempered alloy steel spiral flute screw extractor for removing broken screws and bolts. The left-hand spiral design bites deeper with each turn, providing continuously increasing grip for reliable extraction of seized or damaged fasteners.

• No. 4 size - removes screws/bolts 9/32" to 3/8"
• Use with 1/4" drill bit for pilot hole
• Spiral flute design for superior grip vs straight flute
• Hardened tempered alloy steel construction
• Square shank for use with tap wrench or adjustable wrench
• Left-hand spiral grabs tighter as you turn

Tip: Center punch and drill a pilot hole with a left-hand drill bit before inserting the extractor. Use cutting oil to reduce heat.