Drill America 3/8-16 UNC High Speed Steel Tap Set

Used for manual thread cleaning. working well even w/o lubricant

Taps worked great

Works as intended.

I expected to get a pack of three bottoming taps like the photo indicates. I had searched for bottoming taps and when I saw a photo with three bottoming taps I ordered it. Needless to say I was surprised to discover that only one of the taps is a bottoming tap. The others are a tapered tap and a plug tap. I went back to the original sales description and scanned through all the photos. In every photo where three taps are displayed side by side all the taps are flat nosed indicating that they are bottoming taps, however, in one of the photos the set is described as consisting of one bottoming tap, one tapered tap and one plug tap. Note to seller: when you display a set of items that are different from each other then display the items contained in the set and not a photo of one item repeated three times.

Performed as expected.

I love the different coarse of cut on each tap. Cut straight through solid steel and each finer tap made a clean cut for my bolts to snug up into.

Machining brass these work great. These taps do not list the H value for pitch size, example H1 is .0005 inch over nominal pitch diameter each value add .0005 inch. Most taps are made at a H2 or H3 value. These seem to be H3 work very nice and you cant beat the price. These are 4 flute, hand taps, tapping block is recommended, get any tap sideways and good bye tap. The shank diameter is above the minor diameter so thru tapping past the end of thread is not possible, you would need a special taps for that, this is not it. Nice tap set great for hobby work, professionals dont guess at pitch sizes.

Arrived in good time, and used in Aluminum material tapped gave a great thread.

Package arrived, but not as described. A sleeve sized for one tap was labeled for a set. Only the taper tap was in the sleeve. Processed a return Some other sizes ordered were OK.

Great addition for the hobbyist, starting and bottoming taps included.