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Master your jobs with speed and accuracy with the Greenlee 3/4 x 18 Nail Eater Bit (catalog number 66PT-3/4). Designed for electrical experts, this drill bit is capable of cutting through nails time and time again with an improved cutting edge that provides a 30% longer tool life. The convenient self-feeding screw point effortlessly draws bit through wood for ease of use with less labor required, and the user-friendly patented design helps cutting angles with a smoother start while reducing the cutting loads and producing cleaner holes. Constructed from ultra-tough, heat-treated steel, this nail eater bit withstands heavy-duty use on the jobsite for long-lasting durability. This "shorty" bit is ideal for working in confined spaces yet can still go through 3 abutting 2 x 4s for a superior performance every time. Greenlee: Professional. Nothing Less.™
From the Manufacturer
Greenlee’s nail eater drill bit has a patented design for improved cutting and cleaner holes, cutting edge is hardened through for longer life. Self-feeding screw point draws bit through wood even after multiple sharpening. Bit extensions available for additional length.
Fany
Reviewed in the United States on February 21, 2025
Funcionó de maravilla
Customer
Reviewed in the United States on April 24, 2024
This worked as expected and made easy work of running some new circuits in the house.
matt
Reviewed in the United States on January 22, 2022
Item received as described. Prompt shipping. Good quality.
SC.Tom
Reviewed in the United States on July 1, 2020
I have used Greenlee Electrical products for over 50 years and never ever had a bad product from them. They are a bit more money than some brands and worth every cent of it !
Paul J Mas
Reviewed in the United States on August 24, 2019
Nicely made bit. High quality is noticeable upon opening the package. Worked extremely well for drilling tree stumps. Highly recommend for that use.
Cory
Reviewed in Canada on January 30, 2017
Great tool. Good size screw end. Pulls through old growth fir easy where the old bit made me sweat.
J C
Reviewed in the United States on July 19, 2016
Its a greenlee nail eater.. best auger bit they make. nuff said. I bought this one to replace one that had been used almost daily for 2 years without sharpening. Theyre awesome, and you can hit nails with them and the bit will survive, but they last a lot longer if you avoid the nails
Charlevoix
Reviewed in the United States on February 15, 2016
An unbelievably great drill bit. I wired an entire house with this bit. It is virtually bomb proof and outlasts any other type of nail eater bit I have ever tried. Just a real workhorse. Well worth the money.
Michael Brusselers
Reviewed in Canada on December 23, 2016
Beautiful tool. The price was stupendous, though it went up a lot after I bought the last one. Made In USA quality for less than Chinese price. Now I hope I won't break my arm when this grabs and the torque on my drill goes to work. Actually cut so well and didn't grab at all like I though it might, wonderful product.
robosolo
Reviewed in the United States on July 22, 2012
I also wrote a review on Greenlee's shorter auger and I'll just repeat some of it here. This bit is tough. I know it's designed to chew through steel nails but I pushed it much harder than that, and it survived. I used it to drill out a wooden 4X4 post embedded in concrete. As I drilled, I repeatedly hit the sides and tip of the bit into the concrete. The surprise came when I examined the bit after this abuse only to find .....nothing. The bit was as sharp as new. No damage whatsoever. Even the screw tip was unscathed. Now I'm not saying it should be used in place of a true concrete bit. That would be silly. But if you need a rough-tough auger, then Greenlee is the way to go.
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