4 (121mm) Diamond Mini Saw Blade for Masonry/Stone/Ceramic 1

4 (121mm) Diamond Mini Saw Blade for Masonry/Stone/Ceramic 2

4 (121mm) Diamond Mini Saw Blade for Masonry/Stone/Ceramic 3

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4" (121mm) Diamond Mini Saw Blade for Masonry/Stone/Ceramic

The 4" (121mm) Diamond Mini Saw Blade is a compact, high-performance cutting disc made for masonry, stone, ceramic and tile. Its continuous diamond rim provides fast, precise cuts with minimal chipping and extended blade life, fitting mini saws and angle grinders for tight spaces. Lightweight, durable, and usable wet or dry, it delivers clean finishes for both professional and DIY jobs.

Lead Time:

1-10(pieces):9(days),11-100(pieces):25(days),101-1000(pieces):35(days),>1000(pieces):To be negotiated(days)

Place of Origin:

China

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

brand name:

X&H

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Blade Material

Tungsten Carbide Steel

Sample Time

Details Confirmed

Package

Inner Box + Outer Carton

Service

One-stop Service

MOQ

10 Pieces

Type

Segment Welded Blade

Segment Material

Diamond Crystal

Advantage

High Cost Performance

Color

Customized Color

Application

Granite

blade width

2.0mm

Blade Features

Multipurpose Cutting

grade

Industrial

Saw Blade Size

121*2.0*20mm

finishing

Customized

place of origin

Shanghai, China

customized support

OEM, ODM, OBM

process type

Hot Press, Cold Press

edge height

0.315in(8mm)

blade diameter

4in(10.16cm)

blade length

6 1/2 in

Number Of Teeth

Customized

teeth per inch

Customized.

arbor size

20mm

Cutting Thickness

0.032 in, 0.035 in, 0.025in

warranty

3 Years

Compact, Durable, Precision Cutting

The 4" (121mm) Diamond Mini Saw Blade delivers fast, precise cuts in masonry, stone and ceramic so professionals and DIYers achieve cleaner edges and fewer reworks. Its compact shape, slim kerf options (approximately 1.2–2.2mm) and segmented rim style minimize material loss and vibration, while Cold Press-bonded diamond segments ensure consistent cutting speed and extended life. Packaged securely with quality-checked 20mm bore sizing and available custom-tailoring, this high-quality blade reduces downtime and boosts on-site productivity.

Mini Diamond Precision Cutting

The 4" (121mm) Diamond Mini Saw Blade for masonry, stone and ceramic combines precision-engineered diamond segments with thin-kerf options (1.2–2.2mm) and a standard 20mm bore to deliver accurate, low-resistance cuts. Cold Press bonding and a segmented design enhance segment retention, heat dissipation and wear resistance for longer life and consistent cutting performance in wet or dry applications. Its compact, balanced structure minimizes vibration and chipping while offering custom-tailor options to meet specific diameter and kerf requirements for professional and DIY use.

Precision Mini Diamond Cutter

The 4" (121mm) Diamond Mini Saw Blade is engineered for precise cutting of masonry, stone, and ceramic, delivering fast, clean performance for tile and stonework. Manufactured using Cold Press technology, these mini blades feature a consistent diamond bond and durable cutting edge for extended life. Multiple kerf and bore options are offered, and custom-tailoring is available to meet specific customer requirements.

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Fast, Precise, Durable Cutting

From a heritage of precision tooling, our 4" (121mm) Diamond Mini Saw Blade is manufactured using a Cold Press segment bonding process that ensures uniform diamond distribution and durable segment integrity for consistent high-performance cutting. Engineered for masonry, stone and ceramic, it delivers fast, clean cuts with minimal chipping, low vibration and long life, making it ideal for tile installers, masons and DIYers who demand accuracy in tight spaces. Key features and advantages include a compact 121mm diameter for plunge and angle cuts, high diamond concentration for extended lifespan, reinforced steel core for stability, universal arbor compatibility, and reduced dust and heat for safer, smoother operation.

Material introduction

The 4" (121mm) Diamond Mini Saw Blade features a heat-treated steel core with precision-mounted diamond segments engineered for masonry, stone, and ceramic cutting. Diamond segments are produced using the Cold Press metal-bond process to deliver uniform diamond distribution and consistent segment density for prolonged life and reduced chipping. With multiple thin-kerf options and a 20mm bore, this compact blade provides accurate, fast cuts while maintaining durability in demanding applications.

◎ Industrial Diamond Strength

◎ Cold Press Durability

◎ Thin Kerf Precision

FAQ

What materials and job scenarios is the 4" (121mm) Diamond Mini Saw Blade designed for?

The blade is intended for cutting masonry, natural stone, engineered stone, ceramic tiles, porcelain, brick, and thin concrete. It’s ideal for small, precise jobs such as trimming tiles around fixtures, cutting pavers for pathways, plunge cuts in stone countertops, repairs, and detail work where a compact blade and tighter radius are needed.

Can I use this blade for both wet and dry cutting?

Many mini diamond blades are rated for both wet and dry cutting, but you should follow the blade’s specific labeling. Wet cutting (continuous water feed) reduces dust, heat and wear and is recommended for porcelain, engineered stone and long cuts. Dry cutting is convenient for quick, intermittent jobs—use reduced feed pressure, take frequent breaks to cool the blade, and always wear proper respiratory protection.

What tools are compatible and what speed/ RPM should I use?

This 4" (121mm) blade fits compact angle grinders, tile saws, small circular saws and multi-tools that accept the blade’s arbor size—check tool and blade arbor compatibility. Always obey the blade’s maximum RPM stamped on it; common max RPMs for blades this size range between 10,000–13,000 RPM. Never exceed the blade’s rated RPM and use the correct guard and flanges.

How do I cut ceramic or porcelain tiles cleanly without chipping?

Use a continuous-rim diamond mini blade or one specifically labeled for ceramics/porcelain. Support the tile firmly, score the cut first if possible, feed the tile steadily at a slow, even rate, and use water cooling if available. Clamp or back the tile to prevent vibration, avoid sudden lateral pressure, and let the blade do the cutting rather than forcing it.

How do I install, operate safely, and maintain the blade?

Ensure the blade matches your tool’s arbor size and install with the arrow pointing in the tool’s rotation direction; tighten flanges to manufacturer torque specs. Always wear eye protection, hearing protection, gloves, and a dust mask (or use dust extraction) when dry cutting. Inspect the blade for cracks, missing segments, or wobble before each use. Avoid side-loading the blade, keep consistent feed pressure, and cool it with water or frequent breaks to prevent overheating.

How long will the blade last and how do I know when to replace it?

Blade life varies widely depending on material hardness, wet vs dry cutting, feed rate and job length—lifespans range from a few cuts on very hard engineered stone to hundreds or more on softer masonry. Replace the blade when you notice significantly slower cutting, glazing (loss of diamond exposure), excessive vibration or missing/broken diamond segments. If the blade becomes warped, cracked, or pulses while cutting, stop using it immediately and replace it.

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