Implemented under controlled conditions in a CNC machine on a 16mm 316 stainless steel plate, an 8mm drill bit test was conducted with each drill bit retired when breakage or dullness occurred.

30 degree ChamferMill

The Alpha Stainless Plus Drill Bit is available in a range of sizes, including 1.0mm to 13.0mm in 0.5mm increments. Additionally, it includes tapping sizes of 3.3mm, 4.2mm, 6.8mm, and 10.2mm.

The Alpha product development team decided to pit the Alpha Stainless Plus Drill Bit against our own Alpha Cobalt and Alpha Gold Series drill bits to see how they measure up.

Harvey chamfermill

Perfect for welders, fabricators, sheet metal workers, pipe fitters, machinists, metal workers or any tradie that is looking for a strong and durable drill bit that can handle the relentless nature of stainless steel.

Our satisfied customers have given the Alpha Stainless Plus Drill Bit rave reviews. In fact, 85% of our customer reviews rate it as a high-quality product, praising its durability, strength, and flawless performance.

120 degree ChamferMill

45 degree ChamferMill

One of the standout features of the Alpha Stainless Plus Drill Bit is its impressive durability, with five times greater life compared to cobalt drill bits when used on stainless steel. This means you can rely on it to withstand the toughest drilling conditions and deliver consistent results.

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The Alpha Gold Series Drill Bit managed to drill a total of 623 holes, while the Alpha Cobalt Drill Bit achieved 749 holes. However, the Alpha Stainless Plus Drill Bit outperformed them both with a jaw-dropping 5755 holes.

Indexable ChamferMill

While these other drill bits perform well in stainless steel, they simply can’t compare to the performance of the Alpha Stainless Plus Drill Bit.

With its exceptional performance and longevity, the Alpha Stainless Plus Drill Bit will make your drilling tasks quick and effortless.

We know the challenges that come with drilling stainless steel, which is why we have developed a drill bit specifically designed for stainless buffs.