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Extra Fine Grit Inverted Cone Shape HP Shank Sintered Diamond Bur(K037EF)

  • Product Code: K037EF


Sintered burr:

1.Last 5-10 times longer than diamond plated burs
2.For dental lab,jewelry,lapidary,gemstone
3.5 grits


1. Consist of diamonds throughout, sintered diamond burs also specifically manufactured to cut and trim Zirconia, Alumina Oxide and other hard ceramic and jewelries materials, suitable for shaping, carving and polishing all kinds of minerals.

2. Last 5 to 10 times longer than diamond plated burs. Extremely long endurance and dimensional stability. Excellent abrasive qualities.


1. Sintered diamond burs can be used by dental labs, jewelry, lapidary and gemstone.

2. All burs are with HP shank, 3/32”, ISO104, shank diameter 2.35mm. Fit to electric micro motor.

3. All burs are marked with color ring for reference of grit.

Color ring


Dental lab usage

Lapidary / jewelry / gem usage


Super coarse


ISO 544

Fast aggressive on porcelain and some kind of metals. For prepping metal and ceramic

Good for texturing. Can be used on all kinds of stones and metals. Fast aggressive and bulk removal




ISO 534

Aggressive on ceramic.

Used on most alloys

Used on quartz materials and porcelain, aggressive




ISO 524

Multi-purpose bur. For metals and porcelain combinations

Multi-purpose bur. For metals, stones, porcelain and enameling.




ISO 514

For final shaping. Good for trimming metal margin before porcelain.

Good final shaping and pre-polishing. Smooth aggressive.


Extra fine


ISO 504

Pre-polish. Good for final adjustment after a glaze bake. Easy to polish glaze

Pre-polish and fine finish

Specifications: 89 items for select.

Grit Extra Fine ( Yellow Ring )
Head Height 3.5mm
Head Shape Inverted Cone
Head Size 3.7mm
ISO code 807.104.012.504.037
Item No. K037EF
Material selected diamond grain
Pack 1 pc/pk
Shank HP, 2.35mm(3/32") diameter
Suggested RPM 25,000 RPM
Tips 1. Please always work under the suggested RPM<br> 2. OEM service is available, indivadual brand or printing is offered<br> 3. Please always <a href='/contact'>keep in touch</a> with us if any questions.
Type Rotary Tools & Accessories, Abrasive Material