M10/M14 Diamond Chamfer Core Drill Bit – Enlarged Hole Beveling & Grinding Tool 38mm/50mm for Granite, Marble, Tile

Get cleaner holes, smoother edges, and professional bevel finishes on stone surfaces without cracking or chipping. This diamond beveling tool is designed to enlarge drilled holes and create smooth chamfers on granite, marble, ceramic tiles, and stone countertops with ease. Ideal for tile installers, contractors, and DIY renovators, it helps refine cutouts for faucets, pipes, and fixtures with a polished finish. Compatible with common angle grinder threads, it delivers fast grinding performance while improving edge quality. Perfect for anyone searching for a diamond chamfer bit, tile hole beveling tool, or stone grinding core drill for precision finishing.

Key Features

• Smooth Hole Enlarging & Chamfering – Refines cutouts and creates clean beveled edges for a professional look.

• Diamond-Coated Grinding Power – Cuts fast through granite, marble, tile, and stone with reduced chipping.

• M10/M14 Thread Compatibility – Fits most angle grinders for stable, secure installation and easy use.

• Two Size Options (38mm / 50mm) – Choose the right diameter for pipe holes, sink fixtures, and countertop openings.

Why Choose Our  M10/M14 Diamond Chamfer Core Drill Bit

Unlike standard hole saws that leave sharp edges and uneven openings, this diamond chamfer tool smooths and bevels in one step for a cleaner finish. Its durable diamond grit provides longer life and better cutting speed than basic grinding stones or manual sanding.

Perfect For

• Tile installers & contractors beveling holes for plumbing and fixture mounting

• Kitchen and bathroom renovators working on countertops, tiles, and stone surfaces

• DIY home improvement users enlarging existing holes cleanly without cracking

• Stoneworking and fabrication shops needing faster finishing and smooth chamfer results

Upgrade your stone finishing work today and enjoy cleaner cutouts, smoother edges, and professional results with every job.