AUTOTOOLHOME Titanium Combination Drill Tap Bit Set 13PCS SAE and Metric Tap Bits Kit for Screw Thread Drilling Tapping Deburring Countersinking

Works great

fantastic tool. It saves time by not having to change drills for taps. Great tool to have in your tool box.

I carry these in my tool bag. Every size I need is there. Really good product for the price.

Really liked the one-step value of drilling hole and tapping threads at the same time. Worked for me. :-)

Nice heat organization of thread bits drill abs,aluminum,Mild steel no problem read directions carefully as these cannot drill threw everything! They are more affordable than name brand though & make brand doesn't come with organizer so very excited 1 box solves all my problems,no more jaggid screws strength of bolts more professional look & job!

so far been really good

Bought this to resize a set of existing m5 holes, in an aluminum rail, to m6. This should not be a hard task ... only a mm of material to be removed.1st day was ok ... Resized 4 holes and set in equipment hooks.2nd day, resized 1 hole ok and on the 2nd hole the bit snapped in half. The bit wasn't even warm ... So not an overheating failure. I wasn't pushing hard either.Product feels super light weight, which kinda surprised me from the onset. Maybe if you're tapping plastic, but I wouldn't recommend these for anything else.

The 1/4 inch bit broke on the first use. I have asked for a replacement. We'll see how the 2nd set work.