Diamond Core Drill Bits Set - LEKOMESH Tile Hole Saw Kit - Durable

In this review the reviewer tested the LEKOMESH Diamond Core Drill Bits Set to see if it meets the needs of tile installers and DIYers who cut holes and chamfer edges in porcelain, ceramic, marble and masonry. The bottom line: this 10-piece kit stands out for its range of sizes and vacuum-brazed diamond construction that delivers fast, low-chipping drilling for tile work when used at recommended RPMs, and it includes a handy hex adapter and storage bag that make it convenient for jobsite carry.

Key Features

• Size range: Seven diamond core bits from 6mm to 65mm plus a 10mm finger bit give broad coverage for most tile and stone hole needs.
• Beveling chamfer bit: The included 50mm chamfer bit lets installers create a clean bevel or edge finish without changing tools.
• Vacuum brazed diamond technology: Diamond and steel bonding increases cutting efficiency and durability for repeated tile and stone use.
• Adapter included: The hex shank adapter allows use in angle grinders and also adapts the set for hand or bench drills when needed.
• Portable storage: A compact bag keeps the bits organized and protected during transport and between jobs.

Who It's For

This set is aimed at tile installers, remodelers and competent DIYers who work with porcelain tile, ceramic, granite, marble and masonry and need a variety of hole sizes and an option for chamfering. The variety of diameters from 6mm to 65mm covers plumbing, outlet and fixture holes as well as larger penetrations.

Those who require specialist core bits for reinforced concrete or wet-high-volume production drilling may want to consider industrial cores designed specifically for that heavy use; similarly, users who never work above the 50mm range might prefer a smaller, lighter kit.

Pros & Cons

Pros

• Wide size selection helps avoid buying separate bits for common tile and stone holes.
• Vacuum-brazed diamonds provide efficient cutting with less chipping on fragile tiles.
• Includes a chamfer bit and a hex adapter, expanding tool compatibility and finishing options.
• Compact bag makes jobsite organization simple and protects the diamond edges.

Cons

• Recommended RPM range (6000 to 11000) means users must match speed to tool and material for best life and results.
• The kit is optimized for dry drilling; wet use prolongs life but requires additional water management.

Specifications

Brand	LEKOMESH
Set contents	7 diamond core bits (6, 8, 10, 25, 35, 50, 65mm), 10mm finger bit, 50mm chamfer bit, hex adapter
Thread	5/8'-11
Material	Vacuum brazed diamond on steel
Applications	Porcelain tile, ceramic, marble, granite, stone, masonry, brick
Recommended RPM	6000 (recommended), 11000 max
Storage	Portable bag included

Our Verdict

The LEKOMESH Diamond Core Drill Bits Set is a practical, value-oriented kit for tile professionals and serious DIYers who need a range of hole sizes plus chamfering capability. Its vacuum-brazed diamond construction and included adapter make it versatile for angled grinders and drills, and the storage bag keeps the set job-ready. For standard tile and stone work it delivers durable, low-chipping results and represents good value for the included range.

Frequently Asked Questions

Can these bits be used wet?
Yes, wet drilling is possible and will prolong bit life, but the kit is also intended for dry drilling and milling of tile and stone.

What drills are compatible?
Bits work with angle grinders and, using the included hex adapter, with hand drills and bench drills that accept the adapter shank.

What is the recommended speed?
Use around 6000 RPM for best performance; the bits have a maximum RPM rating of 11000.