12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade
A 12" (300mm) cold/hot manganese steel & diamond cutting blade is a heavy-duty saw blade with a tough manganese steel core and industrial diamond edge. It cuts concrete, asphalt, stone and masonry fast, wet (cold) or dry (hot), with low vibration and a long life. Selling points: extreme toughness and long life, fast aggressive clean cuts, true wet/dry versatility, stable low-vibration performance, and lower replacement/downtime costs.
5.0
Lead Time:
1-10(pieces):8(days),11-200(pieces):25(days),201-1000(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:
$18.75/piece | Min. order : 1 piece
Shipping:
Support Sea freight
Payments:
L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA
model number:
300mm*3.0
brand name:
X&H
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
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
Cutting aluminum
blade width
Other
grade
Industrial
Saw Blade Size
300mm*3.0
finishing
White
place of origin
Shanghai, China
customized support
OEM, ODM, OBM
process type
Hot Press, Cold Press
edge height
0.315in(8mm)
blade diameter
12 in(30.48cm)
blade length
Other
Number Of Teeth
220T
teeth per inch
Other
arbor size
32mm
Cutting Thickness
3.0mm
warranty
3 Years
Precision Durability, Packaged Performance
The 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade delivers fast, precise cuts in masonry, stone, and ceramic with a heat-resistant manganese-steel core and premium diamond rim for long life and low-vibration performance. Segmented rim shape and precision-balanced style improve cooling and chip clearance for heavy-duty wet or dry use while friction-reducing geometry minimizes chipping and boosts cutting speed. Packed in protective sleeves or boxes with clear labeling and available in custom-tailored diameters, kerfs and bores, these Friction Saw Blades give contractors the quality, consistency and fit they need on the jobsite.
300mm Manganese Diamond Cutter
The 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade is engineered with a hardened manganese-steel core and precision-bonded diamond rim, using a segmented profile for heat dissipation and stable, aggressive cutting of masonry, stone, and ceramic. As part of the Friction Saw Blades range, it benefits from cold- and hot-forging treatments, optimized kerf thicknesses (approximately 1.2–3.0 mm) and common bore options (20, 22.23, 25.4 mm) to reduce vibration, improve cut accuracy, and support wet or dry operation. Customizable diameters and segment configurations deliver lower cost-per-cut, longer life, faster penetration and reliable productivity for professional contractors.
12-inch Cold/Hot Diamond Blade
The 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade is a heavy-duty diamond mini saw blade engineered for masonry, stone, and ceramic applications. Part of the Friction Saw Blades range, it pairs a manganese-steel core designed for cold and hot cutting with a diamond edge available in multiple kerf and bore configurations for precise, long-lasting performance. Available in various diameters and kerf sizes with custom tailoring to meet specific customer requirements, it delivers reliable, professional-grade cuts for construction and tile work.
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Precision Cutting, Unmatched Durability
Crafted for professionals, the 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade blends a heat-treated manganese steel core with industrial diamond segments and precision bonding to deliver a balanced, vibration-resistant profile backed by a long-standing brand reputation for quality and engineering. These Friction Saw Blades perform fast, low-dust wet or dry cutting across concrete, asphalt, brick and stone, with optimized segment geometry and thermal management that keep the blade cool and stable under heavy loads. Key features and advantages include superior wear resistance, extended service life, consistent kerf accuracy, reduced kickback and noise, compatibility with standard 12" saws, and minimal maintenance for high productivity on demanding job sites.
Material introduction
The 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade pairs a heat- and impact-resistant manganese steel core — thermally treated for both cold and hot cutting conditions — with sintered industrial diamond segments for exceptional wear resistance. This material combination delivers fast, precise cutting in masonry, stone, and ceramic with reduced chipping and extended blade life. Available in various kerf and bore configurations and custom-tailorable, these Friction Saw Blades meet demanding jobsite durability and performance requirements.
◎ Cold/Hot Manganese Steel & Diamond Blade
◎ Thermal‑Stabilized Friction Saw Blade
◎ Precision/Long‑Life Diamond Cutting Blade
FAQ
1
What materials can the 12" (300mm) Cold/Hot Manganese Steel & Diamond Cutting Blade cut?
This blade is designed primarily for hard masonry and stone: reinforced and plain concrete, brick, block, asphalt, granite, marble, and engineered stone. It will also cut rebar embedded in concrete, but frequent cutting of solid steel or non-ferrous metals is not recommended because metal will rapidly wear or glaze the diamond segments.
2
Does "Cold/Hot" mean I can use the blade wet and dry?
Yes. "Cold/Hot" indicates the blade is suitable for both wet (water-cooled) and dry cutting conditions. Wet cutting gives the best life and lower dust; dry cutting is acceptable for short, intermittent cuts if you allow the blade to cool between passes and follow the manufacturer’s speed and duty-cycle guidance.
3
Which machines and arbor sizes is this 300mm blade compatible with?
The 12" diameter fits many handheld cut-off saws, masonry saws, bridge saws, and some floor saws that accept 300mm blades. Always confirm the blade’s bore (arbor) diameter and the machine’s flange size. Use the correct adapter or reducer if needed, and never operate a blade on a machine whose maximum RPM is lower than the blade’s rated RPM.
4
What are the safety and operational best practices when using this blade?
Wear eye protection, hearing protection, gloves, and a respirator for dry cutting. Ensure the saw guard is fitted, keep both hands on the tool, and secure the workpiece. For dry cutting, make short progressive cuts and pause to prevent overheating. For wet cutting, maintain a steady water flow to the cutting area. Never exceed the blade’s maximum RPM, and avoid side-loading or twisting the blade.
5
How can I maximize the blade life and cutting performance?
Use the proper speed and a steady, moderate feed—don’t force the blade. Prefer wet cutting when practical to reduce heat and abrasive loss. Periodically make a controlled dressing cut on a soft abrasive material to expose fresh diamonds if recommended by the manufacturer. Store the blade flat in a dry place, keep the mounting surfaces clean, and avoid dropping or bending the blade.
6
How long will the blade last and what maintenance does it need?
Lifespan depends on the material hardness, cutting method (wet vs dry), feed rate, and frequency of cuts. Cutting abrasive materials (e.g., asphalt) or improper technique will shorten life. There is no routine sharpening like a metal blade—diamond blades wear gradually; when cutting performance drops substantially or the segments are worn down, replace the blade. Inspect before each use for cracks, loose segments, or deformation and do not use a damaged blade.
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