RD-1601A/RD-1601B Microtome Blades | Roundfin
1. X46Cr13 stainless steel with PTFE coating for long service life
2. RD-1601A: Low Profile, 80 x 8 mm, 0.25mm thickness, 50 blades/box, 100g
3. RD-1601B: High Profile, 80 x 14 mm, 0.325mm thickness, 50 blades/box, 150g
4. 35° cutting angle with a proprietary edge process
5. Compatible with most microtomes and cryostats
6. Available in low-profile and high-profile configurations
Product Overview
The Roundfin RD-1601A and RD-1601B Microtome Blades are disposable blades made from X46Cr13 stainless steel with a PTFE coating. The series is available in low-profile and high-profile configurations, uses a 35° cutting angle, and is compatible with most microtomes and cryostats when the selected blade profile and dimensions match the holder.

Verified Specifications
RD-1601A: Low Profile, 80 x 8 mm, 0.25mm, 100g | RD-1601B: High Profile, 80 x 14 mm, 0.325mm, 150g | Packaging: 50 blades/box
Technical Specifications
| Parameter | RD-1601A | RD-1601B |
|---|---|---|
| Profile | Low Profile | High Profile |
| Length x Width | 80 x 8 mm | 80 x 14 mm |
| Thickness | 0.25mm | 0.325mm |
| Cutting Angle | 35° | 35° |
| Material | X46Cr13 stainless steel with PTFE coating | X46Cr13 stainless steel with PTFE coating |
| Blades per Box | 50 | 50 |
| Weight | 100g | 150g |
Key Features
- X46Cr13 stainless steel with PTFE coating for long service life.
- 35° cutting angle with a proprietary process designed to support edge quality and durability.
- Two blade profiles: RD-1601A low profile and RD-1601B high profile.
- Compatible with most microtomes and cryostats when matched to a suitable blade holder.
- 50 blades per box for both models.
- Designed to achieve acceptable sectioning efficiently.
Applications
- Routine microtome sectioning with compatible low-profile blade holders: RD-1601A.
- Microtome sectioning with compatible high-profile blade holders: RD-1601B.
- Cryostat sectioning where the blade dimensions and holder profile are compatible.
- Histology and pathology laboratories that require disposable microtome blades.
Frequently Asked Questions
What is the difference between RD-1601A and RD-1601B?
RD-1601A is a low-profile blade measuring 80 x 8 mm with a thickness of 0.25mm. RD-1601B is a high-profile blade measuring 80 x 14 mm with a thickness of 0.325mm.
What material and cutting angle do the blades use?
Both models use X46Cr13 stainless steel with a PTFE coating and have a 35° cutting angle.
How many blades are supplied per box?
Both RD-1601A and RD-1601B are supplied with 50 blades per box. The listed weights are 100g for RD-1601A and 150g for RD-1601B.
Are these blades compatible with my microtome or cryostat?
They are compatible with most microtomes and cryostats. Confirm that the holder accepts the selected low-profile or high-profile blade dimensions before ordering.
For model selection and quotations, contact the Roundfin team with your microtome or cryostat holder requirements.







