BRSCHNITT Diamond Chamfer Bit 35 mm

Best use cases

When a hole in tile needs to be widened or its rough edge cleaned up, a standard core bit may not be the only tool to consider. The BRSCHNITT diamond chamfer bit is intended for enlarging, polishing and beveling existing holes in glass, ceramic and porcelain tiles. Its finger-bit shape can help refine the opening after the initial cut, including holes for plumbing or lighting.

Picture an opening that needs a little more clearance around a pipe: this bit is designed to work the edge rather than replace the initial hole-cutting step. It can also be used to create different opening sizes with one core bit and this finger bit, instead of relying on a separate core bit for every size.

Te conviene si you need to adjust or finish an existing tile hole. No es para ti si you need a standalone bit for drilling a new hole from scratch, or your angle grinder does not take a 5/8-11 thread.

Product specs

The listing specifies a 1-3/8-inch (35 mm) bit, a 35 mm workable length and a total length of 45 mm. It has a 5/8-11 thread, #80 grit and a 53-degree top angle. The stated application is use with an angle grinder, the enlarged-hole diameter is given as 0–35 mm.

According to the manufacturer, the bit can help reduce the risk of cracking in standard and large-format tiles under tension, such as around tightened plumbing or LED lights. That is a stated benefit, not a guarantee: results will still depend on the tile, the existing hole and how the work is carried out. The #80 grit is also worth noting if you are choosing a tool specifically for a finer finish.

Where it shines

Its main appeal is flexibility when refining an opening. Rather than selecting a different core bit for every final diameter, you can use a core bit to start the hole and this finger bit to widen or bevel it. That approach may suit a small installation job where several openings need adjustment, or one hole needs a cleaner exposed edge.

What matters more for your job: a fresh hole cut to a set size, or room to reshape an existing opening? This bit is aimed at the second task. It is described for glass, ceramic and porcelain tile, and for chamfering and stress-relieving rough holes. It is not presented as a general-purpose masonry bit, so keep the purchase decision tied to those listed materials and uses.

Final decision

This BRSCHNITT bit is worth considering when you already have an opening to enlarge or finish, and want a single attachment that can work across different hole sizes up to the stated 35 mm range. Its thread and working length are specific details, not minor extras: confirm the grinder connection and make sure the usable length suits the tile and access around the hole.

Choose a core bit instead if your priority is making a new opening at a particular diameter. Choose this finger bit when the more useful job is adjusting an existing one or improving its edge. The listing does not provide further guidance on speed or operating technique, so those details should not be assumed from the specifications alone.