OEM Custom M42 HSS & Diamond Mini Blades 4-9" Metal/Stone

OEM Custom M42 HSS & Diamond Mini Blades 4–9 are a compact set of precision cutting blades that pair M42 high-speed steel and diamond edges for clean, controlled cutting in metal and stone. Selling points: hybrid M42 HSS + diamond construction for outstanding durability and edge retention, multiple small sizes (4–9) for fine/detail work, and OEM customization to fit specific tools or specs. They deliver fast, low-chatter cuts with reduced chipping, good heat resistance for longer life, and wide compatibility with rotary tools and compact saws for jewelry, model-making, tile, and plumbing jobs.

Lead Time:

1-1000(pieces):45(days),>1000(pieces):To be negotiated(days)

Place of Origin:

China

Customization:

Customized logo (Min. Order: 200 sets),Customized packaging (Min. Order: 1000 sets),Graphic customization (Min. Order: 200 sets)

Samples:

$26.56/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Payments:

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

model number:

250mm*1.0mm*32mm

brand name:

X&H

Inquiry

Write a Review

Quality

Top High

Sample Time

Details Confirmed

Package

Inner Box + Outer Carton

Service

One-stop Service

MOQ

10 Pieces

Type

Segment Welded Blade

Segment Material

iron copper pipe metal

Advantage

High Cost Performance

Color

Customized Color

Application

cutting iron copper pipe metal

blade width

1.0mm

Shape

Circular

grade

Industrial

Saw Blade Size

250mm*1.0mm*32mm

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

10in(25.40cm)

blade length

6 1/2 in

Number Of Teeth

Customized

teeth per inch

Other

arbor size

30mm

Cutting Thickness

0.05in, 0.025in

warranty

3 Years

Precision, Durability, Customization, Packaging

The M42 HSS Saw Blade with diamond-tipped mini segments provides high-speed, chip-resistant cutting for metal and stone, delivering clean edges and extended blade life. Offered in compact 4"–9" diameters with kerfs from 1.2 to 3.0 mm and bores from 20 to 25.4 mm, these slim, heat-treated blades combine precise shape and high-quality materials for reliable performance in tight spaces. OEM-friendly protective packaging, custom-tailor options to your specifications, and strict quality control reduce downtime and ensure consistent results for professional contractors and manufacturers.

Precision M42 Diamond Blades

The OEM M42 HSS & Diamond Mini Blades (4"-9") combine an M42 high‑speed steel core with precision diamond cutting rims so the HSS Saw Blade construction provides toughness and heat resistance for metal cutting while diamonds handle masonry, stone and ceramic. Available in diameters from 4" to 9" with kerf options from 1.2 to 3.0 mm and bore choices of 20–25.4 mm, these blades are fully customizable to OEM requirements for optimal fit and cutting performance. The thin‑kerf, balanced core and engineered segment bond minimize vibration and heat buildup, delivering fast, accurate cuts, extended life and reduced material waste across multi‑material industrial applications.

Custom M42 Diamond Blades

OEM custom M42 HSS and diamond mini blades are engineered for both metal and stone cutting, with diamond saw blades specifically suited for masonry, stone, and ceramic. The range covers diameters from 4" to 9" with kerfs from 1.2 to 3.0 mm and bores from 20 to 25.4 mm, offering versatile HSS Saw Blade and diamond configurations for various cutting tasks. Custom tailoring is available to meet specific customer requirements and arbor sizes.

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Fast, Precise, Durable, Versatile

Built to OEM specifications from premium M42 high-speed steel and precision-bonded diamond segments, the HSS Saw Blade and diamond mini blades (4–9") reflect a brand heritage rooted in decades of tooling expertise and strict quality control. Designed for metal and stone, they deliver clean, fast cuts through hardened steel, stainless, tile and masonry with thin-kerf efficiency, laser-cut cooling slots and balanced arbors to minimize vibration and heat. Features and advantages include customizable sizes, M42 tooth geometry for higher feed rates, diamond-edged options for abrasive materials, extended service life and broad compatibility with standard mini saws for professional and DIY applications.

Material introduction

These OEM custom M42 HSS and diamond mini blades combine M42 high-speed steel bodies with industrial diamond cutting rims to tackle both metal and stone cutting. The HSS Saw Blade built from M42 alloy, fortified with cobalt, delivers exceptional hardness, heat resistance and edge retention for metal work, while the diamond segments provide aggressive, long‑lasting cutting performance on masonry, stone and ceramic. Available in multiple diameters and kerf/bore configurations across the 4"–9" range, the hybrid material design ensures extended life and consistent precision for professional OEM applications.

◎ Hybrid overview

◎ M42 high‑speed steel backbone

◎ Brazed industrial diamond rim

FAQ

What are the main differences between the M42 HSS mini blades and the diamond mini blades, and which materials is each type best suited for?

M42 HSS (high-speed steel with cobalt) mini blades are designed for cutting metals — especially ferrous metals, alloy steels, stainless steel, bolts, tubing and thin plate — where toughness and heat resistance are required. Diamond mini blades are fabricated for hard, abrasive non-metallics such as concrete, brick, tile, ceramics, porcelain, natural stone, granite, engineered stone and some composites. Choose M42 HSS for metalworking tasks and diamond for masonry, tile and stone. For mixed jobs, select the blade type matched to the predominant material.

What tools and mounting requirements should I check before using these 4–9" mini blades?

Verify that the blade diameter (4–9") matches your saw or grinder capacity and that the blade’s stamped maximum RPM is equal to or greater than your tool’s no-load RPM. Confirm arbor (bore) size and, if necessary, use the correct arbor adapter or reducer and proper flange/washers. Use the tool’s recommended blade tightening procedure — secure but not over-tightened — and make sure blade rotation direction and blade type (continuous vs segmented rim) match the application. If the blade is labeled wet-only or wet/dry, follow that guidance.

What cutting techniques, speeds and feeds produce the best results and longest blade life?

Use steady, even feed pressure — don’t force the blade through the work. Allow the blade to do the cutting; excessive feed causes overheating, rapid wear, or chip-out. Keep cutting speeds moderate and consistent; consult the blade and tool manuals for recommended RPM limits. For metals, intermittent plunges or pecking for thick sections help reduce heat buildup. For stone, use continuous cutting with steady advancement, and back up delicate tiles to avoid cracking. Always clamp the workpiece securely and support long pieces to prevent binding.

Can I cut wet or dry, and when should I use coolant or water?

Diamond blades generally perform best with water (wet cutting) on masonry, tile and stone: water cools the rim, reduces dust, and extends life. Some diamond mini blades are rated for dry cutting; they will wear faster and may produce more dust and heat — follow manufacturer recommendations. M42 HSS blades for metal typically benefit from cutting fluid or coolant to reduce heat and improve blade life and finish; light oil or commercial cutting fluid is recommended for ferrous metals. Never use water as a coolant for HSS when it may create steam or rapid corrosion unless explicitly allowed — use the recommended cutting lubricant for metalwork.

What common problems should I look for (chipping, binding, overheating), and how can I troubleshoot them?

Chipping or rough edges: may come from too high feed, incorrect blade type (using diamond on thin glazed tile without backing), or using a blade with the wrong rim profile. Reduce feed speed, back up tile, or switch to a continuous-rim diamond. Binding or blade stalling: caused by improper support, pinching workpiece, or too slow RPM/too aggressive feed — reclamp and support, reduce blade engagement, and check tool power. Overheating or smoke: often from inadequate coolant, excessive feed, or incorrect speed — stop, let cool, add coolant or slow the feed, and inspect blade for damage. Vibration or wobble: check arbor fit, flange condition, and blade for warping or cracks — do not use a warped/cracked blade.

How long will these blades last and what maintenance extends their service life?

Lifespan varies widely with material hardness and abrasiveness, cutting speed, coolant use, and operator technique. Factors that extend life: use the correct blade type for the material, follow recommended speeds/feeds, use appropriate coolant or water, clamp and support the workpiece, avoid side-loading, and let the blade rest periodically to cool during long cuts. Inspect blades before each use for cracks, missing segments, or excessive wear. Dress or replace clogged/ glazed diamond blades if cutting quality drops; re-sharpening HSS blades (or replacing if worn) keeps performance consistent. When in doubt, refer to OEM recommendations for service limits and replacement cues.

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