The DiATOME DiFFERENCE, the highest quality, the most precise sectioning, incomparable durability.
Diatome knives are compatible with all ultramicrotomes.
Diamond blades and knives are essential microtomy tools for sectioning, sample preparation, and other application processes in microscopy. Each diamond knife is designed with unique properties that enable precision sectioning with minimal artefacts in application-specific environments.
Explore DiATOME's extensive line of specially designed knives:
Ultramicrotomy: Cutting ultra thin sections (typically less than 100 nanometers thick) from a sample block. A diverse selection of diamond blades and other microtomy tools engineered to facilitate consistent, precise specimen preparations.
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Ultra AFM: The first diamond knives for AFM at room and low temperatures. The exceptional sharpness and durability of these diamond knives ensure that sections are of high quality and facilitate the preservation of surface properties during the sample preparation.
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Histology Sectioning: Crucial for medical diagnostics and research, and requires the use of highly precise diamond blades for proper sectioning. Tailored for preparing semi-thin sections suitable for light microscopy, which requires thicker sections in comparison to TEM.
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Cryo Sectioning: Thinner, perfect cryosections of frozen sections of biological specimens, including tissues, cells, or even entire organisms from ultra to semi-thin with the same knife.
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Ultra Sonic: Patented ultra sonic knife allows the cutting of ultra thin sections free of compression for better structural preservation.Tested with the following samples:
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Trim: One trimming knife for all of your trimming needs including at cryo temperatures. The trim series supercedes the cryotrim and ultratrim lines of trimming tools. Resharpening available.
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Static Line II: Neutralise the electrostatic charging in the cryochamber. Sections no longer stick to the knife edge, or bunch up one on top of the other, but float in a nice ribbon over the knife surface. |
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Resharpening: Meticulously restoring the knife's cutting edge to its optimal sharpness. DiATOME diamond knives can be resharpened an unlimited amount of times without affecting the cutting-edge length. |
See the full DiATOME range or select below:
TOOL Diatome Diamond Knives
Diatome Diamond Knives for Ultramicrotomy and Electron Microscopy
Discover precision cutting tools with Diatome Diamond Knives, designed for ultrathin sectioning in electron microscopy (TEM, SEM) and other high-resolution imaging techniques. Available in various models like Ultra 35°, Histo 45°, and Cryo, these knives offer unmatched sharpness, durability, and reliable performance for biological and material sciences. With applications in ambient and cryo-sectioning, Diatome Diamond Knives ensure clean, consistent cuts, making them indispensable for research labs and clinical environments.
Code | Title | Option 1 | Option 2 | Option 3 | Availability* | Price | |
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UCD25-30 | Diamond knife, Cryo 25, dry | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCD25-30R | Diamond knife, Cryo 25, dry | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-15 | Diamond knife, Cryo 35, dry | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-15E | Diamond knife, Cryo 35, dry | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-15R | Diamond knife, Cryo 35, dry | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-18 | Diamond knife, Cryo 35, dry | 1.8mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-18E | Diamond knife, Cryo 35, dry | 1.8mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-18R | Diamond knife, Cryo 35, dry | 1.8mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-25 | Diamond knife, Cryo 35, dry | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-25E | Diamond knife, Cryo 35, dry | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-25R | Diamond knife, Cryo 35, dry | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-30 | Diamond knife, Cryo 35, dry | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-30E | Diamond knife, Cryo 35, dry | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-30R | Diamond knife, Cryo 35, dry | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-35 | Diamond knife, Cryo 35, dry | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-35E | Diamond knife, Cryo 35, dry | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-35R | Diamond knife, Cryo 35, dry | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD35-40 | Diamond knife, Cryo 35, dry | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UCD35-40E | Diamond knife, Cryo 35, dry | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD35-40R | Diamond knife, Cryo 35, dry | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-40R | Diamond knife, Cryo 35, wet | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-15 | Diamond knife, Cryo 35, wet | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-15E | Diamond knife, Cryo 35, wet | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW35-15R | Diamond knife, Cryo 35, wet | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-18 | Diamond knife, Cryo 35, wet | 1.8mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-18E | Diamond knife, Cryo 35, wet | 1.8mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW35-18R | Diamond knife, Cryo 35, wet | 1.8mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-25 | Diamond knife, Cryo 35, wet | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-25E | Diamond knife, Cryo 35, wet | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW35-25R | Diamond knife, Cryo 35, wet | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-30 | Diamond knife, Cryo 35, wet | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-30E | Diamond knife, Cryo 35, wet | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW35-30R | Diamond knife, Cryo 35, wet | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-35 | Diamond knife, Cryo 35, wet | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-35E | Diamond knife, Cryo 35, wet | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW35-35R | Diamond knife, Cryo 35, wet | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW35-40 | Diamond knife, Cryo 35, wet | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UCW35-40E | Diamond knife, Cryo 35, wet | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-15 | Diamond knife, Cryo 45, dry | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD45-15E | Diamond knife, Cryo 45, dry | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-15R | Diamond knife, Cryo 45, dry | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD45-25 | Diamond knife, Cryo 45, dry | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD45-25E | Diamond knife, Cryo 45, dry | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-25R | Diamond knife, Cryo 45, dry | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD45-30 | Diamond knife, Cryo 45, dry | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCD45-30E | Diamond knife, Cryo 45, dry | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-30R | Diamond knife, Cryo 45, dry | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD45-35 | Diamond knife, Cryo 45, dry | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UCD45-35E | Diamond knife, Cryo 45, dry | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-35R | Diamond knife, Cryo 45, dry | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCD45-40 | Diamond knife, Cryo 45, dry | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UCD45-40E | Diamond knife, Cryo 45, dry | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCD45-40R | Diamond knife, Cryo 45, dry | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW45-15 | Diamond knife, Cryo 45, wet | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW45-15E | Diamond knife, Cryo 45, wet | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW45-15R | Diamond knife, Cryo 45, wet | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW45-25 | Diamond knife, Cryo 45, wet | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW45-25E | Diamond knife, Cryo 45, wet | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW45-25R | Diamond knife, Cryo 45, wet | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW45-30 | Diamond knife, Cryo 45, wet | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCW45-30E | Diamond knife, Cryo 45, wet | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW45-30R | Diamond knife, Cryo 45, wet | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW45-35 | Diamond knife, Cryo 45, wet | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UCW45-35E | Diamond knife, Cryo 45, wet | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW45-35R | Diamond knife, Cryo 45, wet | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCW45-40 | Diamond knife, Cryo 45, wet | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UCW45-40E | Diamond knife, Cryo 45, wet | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UCW45-40R | Diamond knife, Cryo 45, wet | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCA35-20 | Diamond knife, Cryo AFM 35 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UCA35-20R | Diamond knife, Cryo AFM 35 | 2.0mm | resharpened | Each | 4 weeks | Quote only | Quote |
UCA35-30 | Diamond knife, Cryo AFM 35 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCA35-30R | Diamond knife, Cryo AFM 35 | 3.0mm | resharpened | Each | 4 weeks | Quote only | Quote |
UCI35-20 | Diamond knife, Cryo Immuno 35 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UCI35-20R | Diamond knife, Cryo Immuno 35 | 2.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UCI35-30 | Diamond knife, Cryo Immuno 35 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UCI35-30R | Diamond knife, Cryo Immuno 35 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UH45-40 | Diamond knife, Histo 45 | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UH45-40E | Diamond knife, Histo 45 | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UH45-40R | Diamond knife, Histo 45 | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UH45-60 | Diamond knife, Histo 45 | 6.0mm | New | Each | 4 weeks | Quote only | Quote |
UH45-60E | Diamond knife, Histo 45 | 6.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UH45-60R | Diamond knife, Histo 45 | 6.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UH45-80 | Diamond knife, Histo 45 | 8.0mm | New | Each | 4 weeks | Quote only | Quote |
UH45-80E | Diamond knife, Histo 45 | 8.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UH45-80R | Diamond knife, Histo 45 | 8.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UHCD45-40 | Diamond knife, Histo Cryo 45, dry | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UHCD45-40R | Diamond knife, Histo Cryo 45, dry | 4.0mm | Resharpened | Each | 4 weeks | AU $1,956.66 | |
UHCD45-60 | Diamond knife, Histo Cryo 45, dry | 6.0mm | New | Each | 4 weeks | Quote only | Quote |
UHCD45-60R | Diamond knife, Histo Cryo 45, dry | 6.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UHCW45-40 | Diamond knife, Histo Cryo 45, wet | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UHCW45-40R | Diamond knife, Histo Cryo 45, wet | 4.0mm | Resharpened | Each | 4 weeks | AU $1,956.66 | |
UHCW45-60 | Diamond knife, Histo Cryo 45, wet | 6.0mm | New | Each | 4 weeks | Quote only | Quote |
UHCW45-60R | Diamond knife, Histo Cryo 45, wet | 6.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UHJ45-60 | Diamond knife, Histo Jumbo 45 | 6.0mm | New | Each | 4 weeks | Quote only | Quote |
UHJ45-60E | Diamond knife, Histo Jumbo 45 | 6.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UHJ45-60R | Diamond knife, Histo Jumbo 45 | 6.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UHJ45-80 | Diamond knife, Histo Jumbo 45 | 8.0mm | New | Each | 4 weeks | Quote only | Quote |
UHJ45-80E | Diamond knife, Histo Jumbo 45 | 8.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UHJ45-80R | Diamond knife, Histo Jumbo 45 | 8.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU35-15 | Diamond knife, Ultra 35 | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UU35-15E | Diamond knife, Ultra 35 | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU35-15R | Diamond knife, Ultra 35 | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU35-25 | Diamond knife, Ultra 35 | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UU35-25E | Diamond knife, Ultra 35 | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU35-25R | Diamond knife, Ultra 35 | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU35-30 | Diamond knife, Ultra 35 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UU35-30E | Diamond knife, Ultra 35 | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU35-30R | Diamond knife, Ultra 35 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU35-35 | Diamond knife, Ultra 35 | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UU35-35E | Diamond knife, Ultra 35 | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU35-35R | Diamond knife, Ultra 35 | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU35-40 | Diamond knife, Ultra 35 | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UU35-40E | Diamond knife, Ultra 35 | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU35-40R | Diamond knife, Ultra 35 | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-15 | Diamond knife, Ultra 45 | 1.5mm | New | Each | 4 weeks | Quote only | Quote |
UU45-15E | Diamond knife, Ultra 45 | 1.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-15R | Diamond knife, Ultra 45 | 1.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-25 | Diamond knife, Ultra 45 | 2.5mm | New | Each | 4 weeks | Quote only | Quote |
UU45-25E | Diamond knife, Ultra 45 | 2.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-25R | Diamond knife, Ultra 45 | 2.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-30 | Diamond knife, Ultra 45 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UU45-30E | Diamond knife, Ultra 45 | 3.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-30R | Diamond knife, Ultra 45 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-40 | Diamond knife, Ultra 45 | 4.0mm | New | Each | 4 weeks | Quote only | Quote |
UU45-40E | Diamond knife, Ultra 45 | 4.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-35 | Diamond knife, Ultra 45 | 3.5mm | New | Each | 4 weeks | Quote only | Quote |
UU45-35E | Diamond knife, Ultra 45 | 3.5mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-35R | Diamond knife, Ultra 45 | 3.5mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-40R | Diamond knife, Ultra 45 | 4.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UU45-20 | Diamond knife, Ultra 45 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UU45-20E | Diamond knife, Ultra 45 | 2.0mm | Exchanged | Each | 4 weeks | Quote only | Quote |
UU45-20R | Diamond knife, Ultra 45 | 2.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUA35-20 | Diamond knife, Ultra AFM 35 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UUA35-20R | Diamond knife, Ultra AFM 35 | 2.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUA35-30 | Diamond knife, Ultra AFM 35 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UUA35-30R | Diamond knife, Ultra AFM 35 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
DIA30-UL-ATS | Diamond knife, Ultra ATS | 3.0mm | New | Each | 6 weeks | Quote only | Quote |
UUJ35-20 | Diamond knife, Ultra Jumbo 35 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UUJ35-20R | Diamond knife, Ultra Jumbo 35 | 2.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUJ35-30 | Diamond knife, Ultra Jumbo 35 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UUJ35-30R | Diamond knife, Ultra Jumbo 35 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUJ45-20 | Diamond knife, Ultra Jumbo 45 | 2.0mm | New | Each | 4 weeks | Quote only | Quote |
UUJ45-20R | Diamond knife, Ultra Jumbo 45 | 2.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUJ45-30 | Diamond knife, Ultra Jumbo 45 | 3.0mm | New | Each | 4 weeks | Quote only | Quote |
UUJ45-30R | Diamond knife, Ultra Jumbo 45 | 3.0mm | Resharpened | Each | 4 weeks | Quote only | Quote |
UUS35-30 | Diamond knife, Ultra Sonic 35 | Knife only | New | Each | 4 weeks | Quote only | Quote |
UUS35-30CU | Diamond knife, Ultra Sonic 35 | Knife & control unit | New | Each | 4 weeks | Quote only | Quote |
UUS35-30R | Diamond knife, Ultra Sonic 35 | Knife only | Resharpened | Each | 4 weeks | Quote only | Quote |
UUS30-ULTSONM | Diamond knife, Ultra Sonic Maxi 35 | 3mm knife, control unit | New | Each | 0 in stock (?) | Quote only | Quote |
UUS30-ULTSONMK | Diamond knife, Ultra Sonic Maxi 35 | 3mm knife | New | Each | 0 in stock (?) | Quote only | Quote |
UTT20 | DiATOME Trimtool | 20 deg. | New | Each | 4 weeks | Quote only | Quote |
UTT20-R | DiATOME Trimtool | 20 deg. | Resharpened | Each | 4 weeks | Quote only | Quote |
UTT45 | DiATOME Trimtool | 45 deg. | New | Each | 4 weeks | Quote only | Quote |
UTT45-R | DiATOME Trimtool | 45 deg. | Resharpened | Each | 4 weeks | Quote only | Quote |
UTT90 | DiATOME Trimtool | 90 deg. | New | Each | 4 weeks | Quote only | Quote |
UTT90-R | DiATOME Trimtool | 90 deg. | Resharpened | Each | 4 weeks | Quote only | Quote |