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Frequently Asked Questions
What are Super Flex diamond discs used for?
They are dental lab diamond discs for fabricating, separating, contouring and shaping restorative materials, including temporary bridges, acrylic, ceramics, porcelain, metals and plaster.
What shank do Super Flex discs have?
Each disc is factory mounted on a 2.35 mm HP shank mandrel for use in a straight lab handpiece or micromotor. Factory mounting helps ensure concentricity.
What speed should I use?
The recommended speed is 20,000 RPM. Use light, even pressure and let the diamond do the cutting.
How do I read the catalog number?
The first group is the shape, the second is the diameter in tenths of a millimeter (220 = 22 mm), and the third is the thickness in hundredths of a millimeter (017 = 0.17 mm), followed by the grit letter: F fine, M medium, C coarse.
Which disc is best for fine, delicate separations?
Choose a thin 0.17 mm fine-grit disc such as D350-220-017F, D379-220-017F or D355-190-017F. The thin profile gives a narrow cut where access is tight.
Which disc removes material fastest?
The coarse-grit D358-220-019C is the fastest-cutting option in the range. The medium D934-220-017M is a middle ground between speed and surface finish.
Are the discs double-sided?
Yes, the D350, D358, D379, D934 and D368 discs are double-sided, with diamond on both faces.
Can I use these discs on metal and ceramics?
Yes. The discs are suited to metals, ceramics and porcelain as well as acrylic, temporary bridges and plaster.
Which disc should I use for plaster models?
The 40 mm D368-400-028F is the large-diameter option for deep cuts and model work. It is also sold on its own as the Diamond Plaster Cut Disc.
How do I make my diamond discs last longer?
Run them at the recommended speed with light pressure, keep the disc in one plane, brush debris off after use and store each disc in its pack. Replace any disc that is bent, chipped or wobbles.