Pro Mill Diamond Milling Bits – Straight (Mill-S) & Cone (Mill-C) for Tile & Stone

Pro Mill diamond milling bits are built for tile contractors and fabrication shops that need precise shaping, trimming, and hole work in ceramic, porcelain, and natural stone. Both straight Mill-S and cone-shaped Mill-C versions share the same professional 5/8"-11 connection, high-quality diamond bond, and wet/dry capability, making them a reliable choice for demanding site and shop work.

Available Bit Types (Variants)

• Mill-S Straight Milling Bit – for edge detailing, straight profiling, and fine material removal.
• Mill-C Cone Milling Bit – for hole enlargement, beveling, and precision shaping around penetrations.

Pro Mill-S Straight Milling Bits

Pro Mill-S straight milling bits are designed for detailed straight cuts, trimming, and profiling on hard tile and stone. Use them to clean up cut edges, adjust openings, or refine details where a standard blade leaves too much material behind.

• Size Range: Available in overall lengths from 3/8" to 3" and 3/4" to 2-1/2" for different layout and access needs.
• 5/8"-11 Thread: Universal arbor fit for most standard grinders and polishers.
• High-Quality Diamond Grit: Engineered for fast stock removal with long service life under heavy use.
• Wet or Dry Use: Can be run in wet or dry conditions depending on jobsite requirements.
• High-Speed Rated: Safe for speeds up to 11,000 RPM when used according to tool specifications.
• Material Versatility: Suitable for ceramic, porcelain, and natural stone tiles.
• Professional Tooling: Built for contractors who need clean, accurate finishing cuts and tight tolerances.

Pro Mill-C Cone Milling Bits

Pro Mill-C cone milling bits are designed for controlled hole enlargement, shaping, and beveling around fixtures, fittings, and penetrations. They are especially useful when adjusting pre-drilled holes on site without cracking finished tile.

• 5/8"-11 Thread: Standard arbor connection compatible with a wide range of angle grinders and tools.
• Premium Diamond Grit: Produces clean, precise cuts while maintaining durability over multiple jobs.
• Wet or Dry Operation: Can be used with or without water, depending on material and jobsite setup.
• High-Speed Performance: Rated up to 11,000 RPM for efficient material removal.
• Multi-Material Use: Works on ceramic, porcelain, and natural stone for both residential and commercial work.
• Precision Shaping: Ideal for beveling, easing edges, and enlarging holes for plumbing, electrical, and hardware.
• Practical Sizes: 1-1/2" Mill-C cone bit is 1-1/2" long; 3" Mill-C cone bit is 3" long for deeper shaping and access.