Description of π§ Task Tools T81116 16" Diameter" - Enhanced SEO-friendly Product Name
High Speed Steel construction for drilling in hard carbon alloy steels, cast iron. Special flute design for fast removal of debris. Size: 11/16 by 6-Inch.
Drilled 1/2" to 9/16" holes in mild steel. The cutting edges are blunted with cooling lubricant in just two operations. On the 3rd hole it caught on the edge and the drill broke. Terrible product.
I used this drill to modify the spring mounts on a lifted truck. He drilled a 9/16 hole in four heavy gauge steel brackets and four heavy gauge steel washers. The only issue I had was the drill bit was so sharp it just stuck on my parts. You could use a drill press.
This product could have gotten 5 stars but I am giving it 4 stars because the shank is too long. As a previous reviewer pointed out, it bent the stock and rendered it unusable, and the same thing happened to me. I noticed that the drill bits at the local hardware store have a very short shank for a 3/8 chuck. So I took my drill bit that I was given and cut the shank 2" off and left 1" on it and it fits perfectly in my 3/8 drill chuck. You no longer have to worry about bending the shaft. Thisβ¦