Milwaukee Metric Red Helix Bit Features

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While most other twist drill bits have a tendency to break or burn out at the tip, Milwaukee Red Helix bits aim to stay sharper and last longer. The key, for Milwaukee Tool, lies in the innovative design of the bit.  These Red Helix bits feature a 35° helix angle that varies along the flute, ending at 15°. The idea here is that this design limits heat build-up by speeding up the chip removal process. This translates to a longer bit life.

Milwaukee Tool also claims that, in the case of the Shockwave Impact Duty Titanium Metric Red Helix Drill Bits, they’ve designed their bits specifically for use in impact drivers. They feature the variable helix flute geometry, as well as a chip breaker design, which decreases heat buildup by way of a flatter, 135° split point tip. The chip breaker tip delivers a precise start-up and prevents walking for fast and accurate drilling. The result is a bit that, Milwaukee claims, stays sharper and lasts 3 times longer than black oxide bits.

Milwaukee also designed their Cobalt Metric Red Helix Drill Bits to last longer in hard metal applications, specifically metals like stainless steel, 4140, and cast iron. They claim that these cobalt bits will last 10 times longer than black oxide drill bits. These bits also feature the variable helix design and chip breaker tip.

Final Thoughts

The Milwaukee Red Helix lineup of drill bits has been out for a while now and has been well received. These bits seem to stand up pretty well in stress tests. I can’t imagine that the metric variation of these bits is going to operate any differently. With the release of these bits, Milwaukee brings their Red Helix design innovation to the metric realm and addresses a need in the market. The Red Helix line of metric drill bits looks to pick up where the standard measurement bits left off.

The metric Titanium Red Helix drill bits are available now. Milwaukee’s metric Cobalt Red Helix drill bits will hit the shelves in September, 2017.

For more information and a review of the Milwaukee Red Helix line, check out our friends at Protoolreviews.com.

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Milwaukee Red Helix Drill Bits Kit Models

• 10 Piece Metric Red Helix Kit (48-89-4859)
  • Includes: 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 6mm, 7mm, 8mm, 9mm 10mm
• 19 Piece Metric Red Helix Kit (48-89-4860)
  • Includes: 2mm, 2.5mm, (2) 3mm, 3.5mm, (2) 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm 10mm
• 25 Piece Metric Red Helix Kit (48-89-4861)
  • Includes: 2mm, 2.5mm, (2) 3mm, 3.5mm, (2) 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm
• 29 Piece Metric Red Helix Kit (48-89-4862)
  • Includes: 2mm, 2.5mm, (2) 3mm, 3.2mm, 3.5mm, (2) 4mm, 4.2mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, 6.8mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm

• 19 Piece Metric Red Helix Kit (48-89-2530)
  • Includes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm
• 25 Piece Metric Red Helix Kit (48-89-2531)
  • Includes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm