Montolit Diamond Countersink Bit

  • $129.99

This Bit is used to bevel rough or chipped holes in porcelain (up to 2.5 cm), ceramic, granite, marble and glass tile. Used wet or dry, the Bit chamfers the edges creating a smooth, high-end finished hole. The bevel created also helps reduce the risk of cracking tiles subjected to tension around tightened plumbing fixtures and more. The FPS35 is for use with drilled hole sizes from 3/16" (5 mm) to 1-3/8" (35 mm). Designed to be used with a standard angle grinder with a 5/8"-11 thread, without the use of an adapter.

The No. AUFS-ADPTR Drill Adapter is sold separately for using this Bit in a drill.

Note: This is not a core bit for drilling holes. This Bit will bevel an existing hole to clean and reinforce the edges to create the perfect finished hole. 


Shipping calculated at checkout is for continental US onlyFor Alaska, Hawaii, Canada, Mexico and the Caribbean please call 412-965-3520 or email

Got a technical question?

Call us at 412-965-3520 or email


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