Century Drill Tool 11617 Letter Review

The website says for metal and wood and all uses it's not for soft metals and plastics and for wood no more carbides or if I had to drill aluminum or wood that would be fine . It should be described as stated on the packaging.

I needed the RIGHT drill bit so I could tap holes for some 5/16"-24 screws. I had the right tap but couldn't find the right drill locally. Shipping took a little over 2 days. but this it was No problem.The drill bit cuts perfectly through auto steel/damaged screw hole (7 holes total so I really can't measure durability.) Now I have a tap for future use RIGHT a drill when tapping/rethreading.

W drill is listed as 118 degrees. The Chinese factory blister pack says 118 degrees, but my 27 years of experience as a machinist has seen 135 degrees. I checked with a Guhring drill and it read 135 degrees. Good for cutting steel but not good for opening small 3/8" through holes in 1-3/16" thick hard maple. The 135 degree blunt tip drill was difficult to align with a cordless drill without being off center, while the less blunt 118 tip drill is easy to align. I used a 25/64" 118 degree drill…