Greenlee 50317989 Nail Eater Extreme Shorty Wood Boring Bit, 1 IN Heat Treated Steel

Greenlee 50317989 Nail Eater Extreme Shorty Wood Boring Bit, 1 IN Heat Treated Steel

The Greenlee 50317989 Nail Eater Extreme Shorty is a heavy-duty wood boring bit built from Heat Treated Steel for demanding electrical and construction wire-pulling applications. This bit features a 1.000 IN (25.400 MM) bit diameter, a 7-5/8 IN (193.700 MM) overall length, and a 5.000 IN (127.000 MM) twist length, giving installers a compact yet aggressive tool for boring through wood framing that may contain embedded nails. The Extreme Shorty configuration is engineered to keep cutting through fasteners without failing, making it a go-to choice for electricians and contractors running conduit, cable, or wiring through studs and joists. Manufactured in the US, this Greenlee bit pairs a 7/16 IN (11.100 MM) hexagonal shank with heat-treated steel construction for durability under repeated impact from hidden hardware.

Key Features

• Bit Diameter: 1.000 IN (25.400 MM) for boring standard wiring access holes.
• Durable Construction: Heat Treated Steel for extended durability when cutting through embedded nails and hardware.
• Overall Length: 7-5/8 IN (193.700 MM) total length for reach into framing members.
• Twist Length: 5.000 IN (127.000 MM) flute length for efficient chip and debris clearing.
• Shank Type: Hexagonal shank with a 7/16 IN (11.100 MM) shank diameter for secure chuck engagement and reduced slippage.
• Compact Extreme Shorty Design: Shortened profile improves control and maneuverability in tight framing cavities.
• Country of Origin: Manufactured in the US.

Technical Specifications

• Bit Diameter: 1.000 IN (25.400 MM)
• Country Of Origin: US
• Overall Length: 7-5/8 IN (193.700 MM)
• Product Height: 1.650 IN
• Product Length: 8.300 IN
• Product Material: Heat Treated Steel
• Product Type: Extreme Shorty
• Product Width: 1.650 IN
• Shank Diameter: 7/16 IN (11.100 MM)
• Shank Type: Hexagonal
• Sub Brand: Nail Eater®
• Twist Length: 5.000 IN (127.000 MM)
• Volume: 22.59675 CI

Typical Applications

• Boring Wire and Cable Access Holes Through Wood Framing
• Electrical Rough-In and Remodel Wiring Installations
• Cutting Through Studs, Joists, and Framing With Embedded Nails
• Commercial and Residential Construction Wiring Projects
• Tight-Clearance Drilling in Confined Framing Cavities

Why Greenlee?

Greenlee's Nail Eater Extreme Shorty bit is built from Heat Treated Steel to withstand the punishment of boring through nail-embedded framing without losing its edge. With a robust hexagonal shank and compact, US-manufactured design, this bit gives electricians and installers a dependable tool for demanding wire-pulling jobs where reliability and continued performance matter most. The Nail Eater® sub-brand reflects Greenlee's focus on jobsite-ready durability, so crews can keep boring through framing without stopping to swap bits when hardware gets in the way.