Summaryif you enjoy using top quality tools then this set is worthy of your consideration

Summaryif you enjoy using top quality tools then this set is worthy of your consideration  Read Less

I found it easy to produce clean edged accurate holes with the irwin step bits in my handheld drill

I found it easy to produce clean edged accurate holes with the irwin step bits in my handheld drill  Read Less

It worked poorly cutting action much slower and the quality of the hole was not as good as running the bit in a normal clockwise direction

It worked poorly cutting action much slower and the quality of the hole was not as good as running the bit in a normal clockwise direction  Read Less

The quality workmanship of this product is obvious sharp finely machined highly visible markings

The quality workmanship of this product is obvious sharp finely machined highly visible markings  Read Less

Well see how it lasts but cuts fast good price

Well see how it lasts but cuts fast good price  Read Less

The hole was clean on the front and kind of splayed out the backside

The hole was clean on the front and kind of splayed out the backside  Read Less

While it does cost more than competing offshore bits it is also significantly superior in all respects

While it does cost more than competing offshore bits it is also significantly superior in all respects  Read Less

Max material thickness 18”overall length 318”shank size across flats 14”drill chuck required to hold shank 14”i happen to own s...  Read More

Max material thickness 18”overall length 318”shank size across flats 14”drill chuck required to hold shank 14”i happen to own some low cost import step drill bits a neiko 10193a set in near new condition  Read Less