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Cobalt Red Helix Drill Bit Set for Drill Drivers (29-Piece)

Cobalt Red Helix Drill Bit Set for Drill Drivers (29-Piece) - Main image
$5.00 In stock

Category: Factory Clearance Sale

description: The MILWAUKEE? RED HELIX? 29PC Cobalt Drill Bit Set is engineered for extreme durability and long life in hard metal applications. The QUAD EDGE? tip delivers a precision start and features four cutting edges to create smaller chips for faster material removal and less heat leading to improved performance. Designed with a VARIABLE HELIX? flute that begins with an aggressive 35掳 helical angle and ends at 15掳 for rapid chip removal. The bit also features an internal thicker tapered web that greatly increases strength, reducing premature breakage. Ideal for various tough metal applications including but not limited to Stainless Steel, Cast Iron, and Thick Metal. MILWAUKEE? RED HELIX? Cobalt Drill Bits provide up to 15X life vs. black oxide drill bits. The set is organized in a customizable accessory case designed for use in PACKOUT?.

Customer Reviews (4.7 / 5 · 40 reviews)

Chloe V. ★★★★★

Drilled through half-inch stainless steel plate without even slowing down, which surprised me since my old set would've smoked. The cobalt composition definitely makes a difference here, and the case keeps everything organized.

Owen I. ★★★★★

I was drilling into stainless steel brackets for a shelving project and these bits didn't even slow down. The precision star tip starts exactly where you place it, no walking at all.

Grace ★★★★★

Used these to drill through some hardened steel brackets on an old machine, and the Quad Edge tip started clean without wandering. The cobalt really held up, no chatter or heat buildup even after a dozen holes.

Miles ★★★★★

Tackled a thick piece of stainless steel this weekend, and the Quad Edge tip made clean holes without any wandering or excessive heat. The cobalt build feels heavy and solid, and after a dozen holes, they still look brand new.

James ★★★★★

Been using these bits drilling into stainless steel brackets all week, and the cobalt alloy holds an edge far longer than my old set. The star-shaped tip bites in immediately without walking, which saves me a lot of rework.

Daniel ★★★★★

I've been drilling through hardened steel brackets all week, and these bits still cut like new. The QUAD EDGE tip really does start faster and stays sharp longer than any set I've used before.

Lily B. ★★★★★

Had to drill into some stainless steel brackets last weekend and this set chewed through them without any sign of wear on the bits. The Quad Edge tip really bites into the metal cleanly — no wandering like my old set.

Ellie A. ★★★★★

Pulled these out for some 3/8" hardened bolts and the QUAD EDGE tip bit right in without walking at all, even at an angle. The cobalt bits held their sharpness through all eight holes without needing a touch-up. For the clearance price, this set feels like a steal.

Alexander ★★★★★

Drilled through 1/4" stainless steel plate without any binding or wandering—the QUAD EDGE tip really earns its keep. The cobalt bits show absolutely no signs of wear after that abuse, so I'm confident they'll last.

Emily C. ★★★★★

Installed a dozen shelf brackets into steel studs and not a single bit wandered or chipped—the cobalt really holds up. The 29-piece set gives me every size I could need for random home repairs.