Ratings & Reviews for IRWIN 5/16-in x 18-in Woodboring Installer bit Drill Bit

Woodboring drill bit gets the job done

I used a 1/4" bit that I bought at Lowes and used it to bore through #1 railroad ties while building a retaining wall. The Irwin line of woodboring drill bits gets the job done and is very durable! Highly recommended.

Seems to cut through and quickly. Exactly what I n

Drillbit

Excellent for using to pre-drill holes for landscape timber steaks

Drillbit

Excellent for using to pre-drill holes for landscape timber steaks

Awesome

Used this bad boy to drill straight through some bowling pins I turned into lamps. Here’s a picture of my end results.

Great bit

Works well, stays sharp.

Quality item, recommended

well balanced, cur thru wet wood easily, recommended.

Worked great, drilled through outside wall to install cable

As described

This drill bit worked perfectly for my weekend project.

Very disappointing.

I really wanted to like this bit as it has some very nice features. It has a 3-flatted shank prevents slipping in drill chuck, it has a hole for pulling wire, so after you're through you can leave the bit, attach the wire, and then pull it back with the wire. It even comes with a nice storage case. I needed to run some CAT6 from my basement to my garage and unfortunately this bit just couldn't get through a beam made of hard wood. The bit got very hot, but wasn't making any progress. I ended u...

Works great

Bought to cut through landscaping ties and it has worked wonderfully.

Perfect bit

Bit works perfect for pilot for duct work installation.

Worked like a charm!

I needed a long drill bit that would help me fish a low voltage wire through an exterior wall. The drill bit was easy to use and did not spin thanks to the hex base. It was a good size to allow me to pull a wire through the wall. It's pretty strong, has good flexibility. I took a little break to adjust my grip and check my drilling direction, and the drill was happily hanging from the bit, and was mostly horizontal. I wish there was a hole at the base to double up as a fishing tool, but that's j...