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The PRECISION TWIST DRILL 3210007 is a general purpose tapered spiral flute screw extractor designed to remove broken bolts, studs, and fasteners from tapped holes. With a 17/32 inch tip diameter and an overall length of 4.125 inches, this extractor provides the reach and grip needed for common field removal tasks. The left-hand spiral flute design bites into damaged fasteners as reverse torque is applied, reducing the chance of further damage to the surrounding material. Licensed trades including plumbers, HVAC technicians, electricians, and pipe fitters commonly keep extractors like this in their service kit for broken-fastener recovery on equipment, flanges, and fittings.
This extractor suits general purpose applications across residential and light commercial jobsites. It is appropriate for removing fasteners from steel, cast iron, aluminum, and similar base materials encountered in mechanical and electrical service work. The tapered body seats progressively as it is driven in, creating a secure grip before the fastener is backed out. It is sold individually and works with a standard tap wrench or appropriately sized socket driver.
Designed as a general purpose tapered spiral flute extractor suitable for common broken-fastener removal tasks encountered in mechanical, plumbing, and electrical service applications.
A licensed mechanic, plumber, or HVAC technician should de-energize or depressurize the system before attempting fastener extraction. Drill a pilot hole into the broken fastener using a left-hand drill bit sized to the extractor manufacturer recommendation before seating the extractor. Apply steady reverse torque using a tap wrench or T-handle; avoid impact driving, which can snap the extractor. Follow applicable trade codes and use appropriate eye protection when drilling and extracting.
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