Cobalt Red Helix Twist Drill Bit Set for Drill Drivers (23-Piece)






Category: Factory Clearance Sale






Category: Factory Clearance Sale
Needed to drill into stainless steel brackets for a railing repair, and this set chewed through them without any binding or overheating. The Quad Edge tip is definitely not just marketing fluff — it started cutting exactly where I placed it every time. Just wish the case had a tighter latch, but the bits themselves are flawless.
Drilled through stainless steel bracket with almost no effort—the QUAD EDGE tip really holds up, and the cobalt finish sheds heat fast. Keeps cutting cleanly after a dozen holes.
Installed these in a tight engine bay with my drill driver and the cobalt edges didn't glaze over at all. The quad-edge tip bit into the steel bracket cleanly without walking.
Installed these bits in my drill driver yesterday and the QUAD EDGE tip punched through a steel bracket cleanly without wandering. Drilled through an old piece of stainless pipe today and it took the abuse without overheating. Glad I grabbed these on clearance.
Finally a bit set that handles stainless without binding or squealing—the cobalt edge is no joke. Drilled through a 1/4" bracket in seconds and the hex shank works perfectly in my impact driver.
Lost three cheap bits in a row on stainless steel before trying these—the Quad Edge tip stayed sharp through the whole job. For the price, twenty-three pieces that actually bite into hard metal is a steal.
These cobalt bits chew through hardened steel like butter even after dozens of holes, and the tip geometry holds its edge far longer than my old set. For $23, it’s a steal for anyone doing serious metalwork.
I've been drilling into stainless steel brackets all morning, and these cobalt bits cut through like butter without any chatter. The shanks fit snugly in my drill chuck with zero slippage, which is a huge improvement over my old set.
These cobalt bits cut through a hardened bolt on my truck frame without even slowing down. The QUAD EDGE tip really does stay sharp longer than the cheap sets I've burned through before.
Punched through stainless steel brackets on a custom fab job without any wobble—the QUAD EDGE tip really digs in cleanly. The cobalt finish seems tougher than the black oxide bits I've burned through before.