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  • Red 1-3/8" Diamond Max Hole Saw Bit designed for cutting through porcelain, tile, and stone with durability and precision.
  • Diamond Max Hole Saws compatible with drill/drivers with a minimum chuck size of 3/8 inch and arbor with retractable starter bit.
  • DIAMOND MAX Hole Saw is suitable for use in tile/ceramic, porcelain, natural stone, glass, granite, marble, quartzite, quartz, and slate.
  • Image of a 1-3/8" DIAMOND MAX™ Hole Saw Bit. The red hole saw bit features a 1/4" hex shank with no arbor needed, maximum diamond durability, and retention for unmatched cuts in porcelain. It also has increased diamond exposure for faster starts and less slipping. Text reads "UP TO 20X LIFE."
  • A close-up of a Milwaukee® 1-3/8" DIAMOND MAX™ Hole Saw Bit in use, cutting through a dark surface. The hole saw bit is red and attached to a drill, with debris and dust visible around the cutting area.
  • A Milwaukee® 1-3/8" DIAMOND MAX™ Hole Saw Bit attached to a drill is cutting into a grey stone surface, creating a hole. Dust and debris are visible around the drilling area.
  • A close-up of a drill with a Milwaukee® 1-3/8" DIAMOND MAX™ Hole Saw Bit cutting into a black, glossy surface with white veining. The red hole saw bit is mounted on the drill, which is in the process of making a circular cut.
  • Instructions for using Diamond Max Hole Saw Bits: Dip in water, engage at a 45° angle, rotate to 90°, and cut using a circular motion.
  • 1-3/8" Diamond Max Hole Saw Bit packaged in a red and white box, designed for cutting through all porcelain, tile, and stone.
  • DIAMOND MAX USP drill bit cutting through porcelain tile with words "Up to 10x Life" and "Optimized for Porcelain" displayed around it.
  • A Milwaukee® 3/16" DIAMOND MAX™ Hole Saw Bit fitted in a drill is shown drilling into white, glossy ceramic tiles on a wall. The red color of the bit and the brand label are clearly visible, with water droplets indicating active drilling.
  • A close-up image of a Milwaukee® 4-1/2" DIAMOND MAX™ Hole Saw, shown cutting through a smooth, reflective surface. The bright red hole saw is attached to a drill, and there is dust and fragments around the cutting area.
49-56-0520

1-3/8" DIAMOND MAX™ Hole Saw Bit

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Bit Diameter: 1 3/8"

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Product Overview

Our Diamond Max™ 1-3/8" Hole Saw Bit delivers up to 20X longer life with unmatched cuts in porcelain. Diamond Max™ Hole Saws offer best-in-class performance with higher-grade diamonds and superior retention. Features Maximum wear resistance to tackle the most demanding applications. The improved diamond grit delivers faster cutting and quickly grips into material for clean, easy cuts. Designed for more cutting with less clogging.

  • Unmatched cuts in porcelain

  • Maximum diamond durability and retention

  • Fastest cutting in porcelain

  • Faster starts and less slipping

  • More cutting, less clogging

  • Dip bit in water before each cut

  • 1/4" Hex Shank

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